docs(common): add an example how to bind multiple classes based on a single parameter (#13779)
docs(common): add an example how to bind multiple classes based on a single parameter (#13779)

Closes #13778
chuckjaz/angular,souvikbasu/angular,vikerman/angular,ultrasonicsoft/angular,angular/angular,IdeaBlade/angular,manekinekko/angular,souvikbasu/angular,gjungb/angular,mikeybyker/angular,sarunint/angular,gjungb/angular,kwalrath/angular,manekinekko/angular,gnomeontherun/angular,mzgol/angular,gdi2290/angular,chrisse27/angular,alexeagle/angular,sjtrimble/angular,chuckjaz/angular,alxhub/angular,nosovk/angular,jonrimmer/angular,gnomeontherun/angular,jasonaden/angular,gkalpak/angular,nosovk/angular,mprobst/angular,jasonaden/angular,chalin/angular,ValtoFrameworks/Angular-2,kegluneq/angular,Brocco/angular,dsebastien/angular,mikeybyker/angular,hansl/angular,robwormald/angular,pk-karthik/framework-js-angular,heathkit/angular,Toxicable/angular,kwalrath/angular,aboveyou00/angular,mgechev/angular,rkirov/angular,juristr/angular,sarunint/angular,panuruj/angular,mgol/angular,vikerman/angular,vicb/angular,mprobst/angular,shairez/angular,angular/angular,heathkit/angular,vikerman/angular,souvikbasu/angular,juristr/angular,Brocco/angular,Mathou54/angular,vikerman/angular,diestrin/angular,aboveyou00/angular,mdegoo/angular,ghetolay/angular,manekinekko/angular,IdeaBlade/angular,rkirov/angular,tbosch/angular,chuckjaz/angular,mikeybyker/angular,petebacondarwin/angular,vamsivarikuti/angular,Toxicable/angular,vamsivarikuti/angular,juristr/angular,vikerman/angular,LucasSloan/angular,matsko/angular,hansl/angular,IgorMinar/angular,kegluneq/angular,StephenFluin/angular,asnowwolf/angular,graveto/angular,IdeaBlade/angular,hansl/angular,NathanWalker/angular,blesh/angular,mikeybyker/angular,mlaval/angular,robwormald/angular,gkalpak/angular,pkozlowski-opensource/angular,nosovk/angular,sarunint/angular,gnomeontherun/angular,Mathou54/angular,tolemac/angular,graveto/angular,smartm0use/angular,dtoroshin/n2oDoc,sarunint/angular,mgiambalvo/angular,trshafer/angular,ultrasonicsoft/angular,aboveyou00/angular,juristr/angular,graveto/angular,pkozlowski-opensource/angular,filipesilva/angular,gkalpak/angular,sarunint/angular,kwalrath/angular,chrisse27/angular,mgechev/angular,wKoza/angular,snaptech/angular,mhevery/angular,kylecordes/angular,cexbrayat/angular,Brocco/angular,vamsivarikuti/angular,rkirov/angular,vsavkin/angular,ValtoFrameworks/Angular-2,JiaLiPassion/angular,kwalrath/angular,vicb/angular,gjungb/angular,mzgol/angular,brandonroberts/angular,aboveyou00/angular,JiaLiPassion/angular,shairez/angular,ocombe/angular,rjamet/angular,cexbrayat/angular,rjamet/angular,dsebastien/angular,mlaval/angular,pkozlowski-opensource/angular,ghetolay/angular,brandonroberts/angular,kylecordes/angular,SaltyDH/angular,IgorMinar/angular,panuruj/angular,diestrin/angular,JSMike/angular,mgiambalvo/angular,kylecordes/angular,mdegoo/angular,alxhub/angular,jonrimmer/angular,petebacondarwin/angular,alexeagle/angular,cironunes/angular,diestrin/angular,IgorMinar/angular,cexbrayat/angular,mlaval/angular,mlaval/angular,robwormald/angular,cironunes/angular,alxhub/angular,dsebastien/angular,trshafer/angular,pkozlowski-opensource/angular,juleskremer/angular,chrisse27/angular,gnomeontherun/angular,LucasSloan/angular,NathanWalker/angular,not-for-me/angular,tbosch/angular,kara/angular,juleskremer/angular,meeroslav/angular,meeroslav/angular,SaltyDH/angular,ghetolay/angular,kara/angular,shairez/angular,Toxicable/angular,mdegoo/angular,jasonaden/angular,rjamet/angular,jonrimmer/angular,kylecordes/angular,angularbrasil/angular,JiaLiPassion/angular,vsavkin/angular,cironunes/angular,kwalrath/angular,vicb/angular,StephenFluin/angular,mprobst/angular,not-for-me/angular,vamsivarikuti/angular,tolemac/angular,pk-karthik/framework-js-angular,ghetolay/angular,tolemac/angular,royling/angular,juristr/angular,rjamet/angular,kara/angular,angularbrasil/angular,robwormald/angular,trshafer/angular,wKoza/angular,mgechev/angular,kara/angular,tbosch/angular,SaltyDH/angular,Toxicable/angular,jasonaden/angular,filipesilva/angular,robwormald/angular,snaptech/angular,mzgol/angular,mhevery/angular,asnowwolf/angular,ValtoFrameworks/Angular-2,nosovk/angular,dsebastien/angular,alexeagle/angular,ghetolay/angular,NathanWalker/angular,gkalpak/angular,mdegoo/angular,gdi2290/angular,chalin/angular,sjtrimble/angular,mgol/angular,angularbrasil/angular,petebacondarwin/angular,petebacondarwin/angular,brandonroberts/angular,matsko/angular,kegluneq/angular,mgiambalvo/angular,IdeaBlade/angular,juleskremer/angular,cexbrayat/angular,JSMike/angular,angular-indonesia/angular,rkirov/angular,heathkit/angular,Toxicable/angular,mhevery/angular,Brocco/angular,jonrimmer/angular,aboveyou00/angular,mdegoo/angular,mzgol/angular,smartm0use/angular,pkozlowski-opensource/angular,gjungb/angular,JSMike/angular,mgiambalvo/angular,LucasSloan/angular,meeroslav/angular,not-for-me/angular,brandonroberts/angular,heathkit/angular,gdi2290/angular,trshafer/angular,angular-indonesia/angular,kara/angular,cironunes/angular,kegluneq/angular,sjtrimble/angular,panuruj/angular,hansl/angular,juristr/angular,mhevery/angular,hansl/angular,dtoroshin/n2oDoc,panuruj/angular,LucasSloan/angular,snaptech/angular,dtoroshin/n2oDoc,tbosch/angular,IdeaBlade/angular,jasonaden/angular,pk-karthik/framework-js-angular,Mathou54/angular,IgorMinar/angular,mzgol/angular,petebacondarwin/angular,ocombe/angular,vsavkin/angular,royling/angular,mzgol/angular,blesh/angular,chrisse27/angular,vsavkin/angular,alxhub/angular,ultrasonicsoft/angular,mikeybyker/angular,souvikbasu/angular,mgol/angular,matsko/angular,mgol/angular,mhevery/angular,dsebastien/angular,ultrasonicsoft/angular,souvikbasu/angular,vicb/angular,smartm0use/angular,rkirov/angular,graveto/angular,nosovk/angular,Mathou54/angular,juleskremer/angular,smartm0use/angular,JSMike/angular,cironunes/angular,trshafer/angular,sjtrimble/angular,chuckjaz/angular,wKoza/angular,ocombe/angular,matsko/angular,cironunes/angular,SaltyDH/angular,LucasSloan/angular,chalin/angular,mgol/angular,asnowwolf/angular,panuruj/angular,dtoroshin/n2oDoc,StephenFluin/angular,mprobst/angular,manekinekko/angular,Toxicable/angular,vikerman/angular,aboveyou00/angular,ultrasonicsoft/angular,blesh/angular,sarunint/angular,snaptech/angular,royling/angular,blesh/angular,heathkit/angular,snaptech/angular,angular/angular,kegluneq/angular,angularbrasil/angular,wKoza/angular,graveto/angular,JiaLiPassion/angular,snaptech/angular,jasonaden/angular,alexeagle/angular,jonrimmer/angular,Mathou54/angular,mhevery/angular,dsebastien/angular,diestrin/angular,chuckjaz/angular,mgol/angular,vicb/angular,JSMike/angular,kara/angular,brandonroberts/angular,wKoza/angular,sjtrimble/angular,smartm0use/angular,mprobst/angular,StephenFluin/angular,angular/angular,heathkit/angular,graveto/angular,hansl/angular,pk-karthik/framework-js-angular,tolemac/angular,dtoroshin/n2oDoc,StephenFluin/angular,mdegoo/angular,ocombe/angular,not-for-me/angular,petebacondarwin/angular,shairez/angular,chuckjaz/angular,pk-karthik/framework-js-angular,tbosch/angular,ocombe/angular,ocombe/angular,robwormald/angular,NathanWalker/angular,shairez/angular,manekinekko/angular,juleskremer/angular,asnowwolf/angular,alexeagle/angular,Brocco/angular,alxhub/angular,ValtoFrameworks/Angular-2,jonrimmer/angular,angular-indonesia/angular,mlaval/angular,tolemac/angular,kylecordes/angular,LucasSloan/angular,wKoza/angular,mgechev/angular,mgechev/angular,IgorMinar/angular,IgorMinar/angular,chalin/angular,alexeagle/angular,mprobst/angular,royling/angular,gdi2290/angular,filipesilva/angular,kylecordes/angular,ValtoFrameworks/Angular-2,manekinekko/angular,matsko/angular,vsavkin/angular,angularbrasil/angular,kegluneq/angular,asnowwolf/angular,filipesilva/angular,filipesilva/angular,vamsivarikuti/angular,brandonroberts/angular,SaltyDH/angular,NathanWalker/angular,cexbrayat/angular,not-for-me/angular,angularbrasil/angular,meeroslav/angular,ultrasonicsoft/angular,vicb/angular,meeroslav/angular,angular-indonesia/angular,tolemac/angular,trshafer/angular,gdi2290/angular,NathanWalker/angular,gjungb/angular,gdi2290/angular,chrisse27/angular,rkirov/angular,blesh/angular,royling/angular,mgiambalvo/angular,Brocco/angular