fix(docs): codepen should link to correct license link
fix(docs): codepen should link to correct license link

* Currently when checking out a codepen, the license will be appended to all source files.
  The license of the docs will be linked inside of that comment. But that link is not correct.

* Fix incorrect wording for the license footer for codpens

Closes #8846

DevVersion/material,pwistbac/material,ilovett/material,miguelcobain/material,angular/material,profoundry-us/material,crisbeto/material,oostmeijer/material,gkalpak/material,j3ski/material,marekmicek/material,graingert/material,vertazzar/material,pwistbac/material,bluebirdtech/material,profoundry-us/material,bluebirdtech/material,marekmicek/material,j3ski/material,daniel-nagy/material,welkinhealth/material,SamDLT/material,Frank3K/material,david-gang/material,ilovett/material,DevVersion/material,clshortfuse/material,david-gang/material,miguelcobain/material,miguelcobain/material,miguelcobain/material,ServiceManagementGroup/material,hayloft/material,clshortfuse/material,oostmeijer/material,vertazzar/material,ServiceManagementGroup/material,clshortfuse/material,SamDLT/material,imjoeco/material,gkalpak/material,Frank3K/material,graingert/material,hayloft/material,j3ski/material,oostmeijer/material,hayloft/material,welkinhealth/material,Frank3K/material,daniel-nagy/material,SamDLT/material,david-gang/material,imjoeco/material,angular/material,Frank3K/material,daniel-nagy/material,ilovett/material,bluebirdtech/material,Splaktar/material,ilovett/material,angular/material,vertazzar/material,SamDLT/material,graingert/material,ServiceManagementGroup/material,Splaktar/material,david-gang/material,j3ski/material,marekmicek/material,welkinhealth/material,Splaktar/material,angular/material,DevVersion/material,imjoeco/material,Splaktar/material,welkinhealth/material,pwistbac/material,DevVersion/material,oostmeijer/material,pwistbac/material,graingert/material,clshortfuse/material,daniel-nagy/material,marekmicek/material,profoundry-us/material,vertazzar/material,gkalpak/material,bluebirdtech/material,ServiceManagementGroup/material,gkalpak/material,crisbeto/material,hayloft/material,crisbeto/material,profoundry-us/material,imjoeco/material,crisbeto/material