Add official resources

[John L. Armstrong IV]

Topic

This is an issue regarding:

• The XD Awesome repository README.

Description of the issue

Possible official resources that may be helpful

• https://github.com/AdobeXD/plugin-samples
• https://forums.adobexdplatform.com/
• https://adobexdplatform.com/plugin-docs/

[Ash Ryan Arnwine]

Thanks @jlarmstrongiv! Feel free to submit a PR if you want to take this on. Otherwise, one of us can do it.

[John L. Armstrong IV]

It’s exam week 😅sometime after that sure