update(docs): add `flex="nogrow"` example and description
update(docs): add `flex="nogrow"` example and description

Related to #6205.

  Closes #6307

kamilkisiela/material,oostmeijer/material,hodeyp/material,2947721120/angular-material,graingert/material,profoundry-us/material,david-gang/material,profoundry-us/material,clshortfuse/material,ilovett/material,miguelcobain/material,hayloft/material,angular/material,daniel-nagy/material,pwistbac/material,isaaclyman/material,acoreyj/material,gmoothart/material,graingert/material,ErinCoughlan/material,HipsterZipster/material,Frank3K/material,welkinhealth/material,programmist/material,DerekLouie/material,jadjoubran/material,ilovett/material,dmitriz/material,2947721120/angular-material,j3ski/material,ServiceManagementGroup/material,colinskow/material,programmist/material,miguelcobain/material,jelbourn/material,robertmesserle/material,Frank3K/material,imjoeco/material,ErinCoughlan/material,acoreyj/material,jelbourn/material,imjoeco/material,j3ski/material,Splaktar/material,miguelcobain/material,bluebirdtech/material,hayloft/material,isaaclyman/material,angular/material,jadjoubran/material,pwistbac/material,vertazzar/material,epelc/material,clshortfuse/material,jadjoubran/material,isaaclyman/material,HipsterZipster/material,2947721120/angular-material,crisbeto/material,oostmeijer/material,graingert/material,DerekLouie/material,david-gang/material,ilovett/material,gmoothart/material,gkalpak/material,pwistbac/material,DevVersion/material,ServiceManagementGroup/material,crisbeto/material,daniel-nagy/material,angular/material,profoundry-us/material,welkinhealth/material,HipsterZipster/material,DevVersion/material,robertmesserle/material,Todd-Werelius/material,epelc/material,Todd-Werelius/material,j3ski/material,Splaktar/material,SamDLT/material,imjoeco/material,ErinCoughlan/material,SamDLT/material,Splaktar/material,dmitriz/material,marekmicek/material,david-gang/material,dmitriz/material,Frank3K/material,crisbeto/material,oostmeijer/material,HipsterZipster/material,kamilkisiela/material,gkalpak/material,bluebirdtech/material,welkinhealth/material,david-gang/material,JonFerrera/material,HarrisCorp/material,marekmicek/material,vertazzar/material,profoundry-us/material,angular/material,vertazzar/material,DevVersion/material,DerekLouie/material,daniel-nagy/material,2947721120/angular-material,miguelcobain/material,hodeyp/material,ServiceManagementGroup/material,colinskow/material,Todd-Werelius/material,ilovett/material,crisbeto/material,gkalpak/material,j3ski/material,marekmicek/material,SamDLT/material,epelc/material,JonFerrera/material,programmist/material,marekmicek/material,hayloft/material,gmoothart/material,bluebirdtech/material,gkalpak/material,JonFerrera/material,robertmesserle/material,HarrisCorp/material,graingert/material,jadjoubran/material,DerekLouie/material,vertazzar/material,jelbourn/material,HarrisCorp/material,colinskow/material,DevVersion/material,clshortfuse/material,gmoothart/material,robertmesserle/material,kwypchlo/material,ServiceManagementGroup/material,Frank3K/material,SamDLT/material,dmitriz/material,epelc/material,imjoeco/material,acoreyj/material,Todd-Werelius/material,clshortfuse/material,HarrisCorp/material,ErinCoughlan/material,kamilkisiela/material,Splaktar/material,hodeyp/material,welkinhealth/material,kamilkisiela/material,acoreyj/material,pwistbac/material,jelbourn/material,kwypchlo/material,hayloft/material,programmist/material,kwypchlo/material,isaaclyman/material,hodeyp/material,kwypchlo/material,colinskow/material,bluebirdtech/material,oostmeijer/material,JonFerrera/material,daniel-nagy/material