Fixed node version issue

Created documenation for contribution guide.

- Fixed small issues in docs

Updated Docs:

1. Fixed logo size on intro page
2. Added content for adoption guide.
3. Added road map items.
4. deleted suppor page.

Merge pull request #51 from pagesource/docs/update-features

Docs/update features

Update to docs

Updated Documentation for Intro & Why and How

Fixed content for linting and monorepo

Added more content

Added new version of doc

Update docusaurus.config.js