docs: migrate UI docs (#13245)

* docs: create a new UI docs project (#13233)

* docs: create a new UI docs project

* fix installation errors

* docs: migrate UI docs content to new project (#13241)

* Fix content

* added examples for some components

* finish adding examples

* lint fix

* fix build errors

* delete empty files

* path fixes + refactor

* fix build error

.github/workflows/docs-test.yml

@@ -260,7 +260,7 @@ jobs:
       - name: Get Directories to Scan
         if: ${{ steps.pr-files.outputs.files_lt_threshold == 'true' }}
         working-directory: www/vale
-        run: ./get-files.sh ui/src/content/docs
+        run: ./get-files.sh ui/app
         id: directories
 
       - name: Vale Linter