chore: add File Metadata Microservice project to frontend cert

[fhsinchy]

Checklist:

• [x] I have read freeCodeCamp's contribution guidelines.
• [x] My pull request has a descriptive title (not a vague title like Update index.md)

[fhsinchy]

@jdwilkin4 can you take a look?

[jdwilkin4]

I removed the closes keyword since the main point of these backend issues is to copy what is already live on the site into the frontend superblock. so we can close it when that has been done