[FEATURE] Tag for project-related issues in ror-updates

[rileymmarsh]

Version
v2

Describe the problem you would like to solve
Differentiating project-related issues and other issues is difficult in the ror-updates issue queue search.

Describe the solution you'd like
Possible solutions:

1. New issue tag made for project issues
2. Policy to add projects using unique syntax (i.e. Part of project #XXXXX vs. Part of #XXXXX)

Who would benefit from this feature?
Anyone looking to display or not display project-related issues (those working on curation, etc.)