Standardize the tags and append to the codelab field
Standardize the tags and append to the codelab field

Mirroring the gdoc where tags are coming from both Environments
and Tags, support the same independant tags for Markdown parser.

Qwiklabs/codelab-tools,Qwiklabs/codelab-tools,chrisrecher/tools,googlecodelabs/tools,googlecodelabs/tools,Qwiklabs/codelab-tools,CloudVLab/tools,googlecodelabs/tools,chrisrecher/tools,googlecodelabs/tools,Qwiklabs/codelab-tools,CloudVLab/tools