Added New Google and Apache OSS Docs

[Elijah699]

@AishwaryaJagadish thank you for adding the new docs, kindly add if these docs are community owned docs or company owned docs.

I wi be on the lookout for the commit from you.

[gray-adeyi]

You should also install a markdown linter like awesome-lint on your local maching. The markdown files aren't properly formatted that's why you're having the linter flow fail