docs: add link to component-less routes description. (#40741)
docs: add link to component-less routes description. (#40741)

Currently it's not clear what a component-less route is. Add a link to  make it clear

PR Close #40741

JiaLiPassion/angular,gkalpak/angular,brandonroberts/angular,shairez/angular,alxhub/angular,shairez/angular,angular-indonesia/angular,angular/angular,ocombe/angular,brandonroberts/angular,brandonroberts/angular,mgechev/angular,manekinekko/angular,brandonroberts/angular,brandonroberts/angular,ocombe/angular,ocombe/angular,gnomeontherun/angular,alxhub/angular,manekinekko/angular,mgechev/angular,JiaLiPassion/angular,mgechev/angular,alxhub/angular,alxhub/angular,gkalpak/angular,gnomeontherun/angular,shairez/angular,mgechev/angular,ocombe/angular,angular-indonesia/angular,manekinekko/angular,gkalpak/angular,gnomeontherun/angular,JiaLiPassion/angular,ocombe/angular,JiaLiPassion/angular,alxhub/angular,ocombe/angular,brandonroberts/angular,angular-indonesia/angular,shairez/angular,angular/angular,gkalpak/angular,manekinekko/angular,gnomeontherun/angular,manekinekko/angular,angular/angular,angular/angular,mgechev/angular,manekinekko/angular,shairez/angular,angular-indonesia/angular