TechDocs: Access entity techdocs from service catalog (#1835)

* feature(techdocs): JIT generation of techdocs

* Fix linting issues

* Add Techdocs tab to entity page

* Added missing dep

* Added missing dep

* Removed duplicate dep

* Better tab navigation

* Update label on entity page to say docs

* Fix lint issue

* Move building of docs from entity to a function

* feature(techdocs): JIT generation of techdocs

* Fix linting issues

* Add Techdocs tab to entity page

* Added missing dep

* Added missing dep

* Removed duplicate dep

* Better tab navigation

* Update label on entity page to say docs

* Fix lint issue

* Move building of docs from entity to a function

* attempt to add back react as a dep

* Fixed failing test

* fix(techdocs): Hopefully fixed tests

* Fixed another failing test

* Initial apiRef for techdocs storage

* Cleaned up some code in reader

* test(headertabs): add tests to HeaderTabs component

* fix(headertabs): change tab mock id

* fix(techdocs-generator): fix problem with macOS symlink to tmp folder

* fix(lint): remove unused configApiRef

* wip

* Ongoing cleanups

* Cleanups and fix tests

* WIP cleanups

* Clean up some things

* Clean up some things

* Added missing notice header

* ts issue fixed

* Add show contition to api tab

Co-authored-by: Fredrik Adelöw <freben@gmail.com>
Co-authored-by: Emma Indal <emmai@spotify.com>

plugins/techdocs-backend/examples/documented-component/docs/sub-page.md

@@ -0,0 +1 @@
+# Another page in our documentation

plugins/techdocs-backend/examples/documented-component/mkdocs.yml

@@ -2,6 +2,7 @@ site_name: 'example-docs'
 
 nav:
   - Home: index.md
+  - SubPage: sub-page.md
 
 plugins:
   - techdocs-core