Russian translation of about page and remaining parts of p5.js

[kishanchaubey23]

This pull request add Russian translation across various UI components of and other remaining parts of p5.js

I have verified that this pull request:

-has no linting errors (npm run lint) -has no test errors (npm run test) -is from a uniquely-named feature branch and is up to date with the develop branch. -is descriptively named and links to an issue number, i.e. #3485