docs: added fetching from notion (#2670)

* Added new Docusaurus instance that fetches automatically from Notion

* Add Github workflow to fetch docs from Notion

* Added legacy peer deps to solve dependency problems

* Fix git ignore and added pages

docs/.gitignore

@@ -0,0 +1,23 @@
+# Dependencies
+/node_modules
+
+# Production
+/build
+
+# Generated files
+.docusaurus
+.cache-loader
+
+# Misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+static
+*.orig