Add Feather by @jacobprezant

[jacobprezant]

Add a project

1. Project URL: https://github.com/khcrysalis/Feather
2. Update contents.json instead of README
3. One project per pull request
4. Screenshot included
5. Avoid iOS or open-source in description as it is assumed
6. Use this commit title format if applicable: Add app-name by @github-username
7. Use approved format for your entry

Archive a project

1. Project URL:
2. Add archive tag

[jacobprezant]

I believe I fixed it, sorry for the misformatting.

[csprasad]

@jacobprezant Thanks for the updates! Looks good to me!

[dkhamsing]

There is a format issue, I will take care of it

Thank you!