Added link to v2 docs in the root README.md #51

	name: Build ReDoc

	on:
	push:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Build redoc
	run: npx @redocly/cli build-docs openapi.yaml --output index.html
	- name: Build redoc for v2
	run: npx @redocly/cli build-docs v2/openapi/fb-unified-openapi.yaml --output v2/docs.html
	- name: Deploy to GitHub Pages
	uses: peaceiris/actions-gh-pages@v3
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: .
	exclude_assets: '.github,openapi.yaml,v2/openapi,v2/api-validator,assets,README.md'

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