docs: removed topics and FAQ from the repository (#5820)

Co-authored-by: SpaceEEC <spaceeec@yahoo.com>
Co-authored-by: Vlad Frangu <kingdgrizzle@gmail.com>
Co-authored-by: ckohen <chaikohen@gmail.com>

docs/index.yml

@@ -1,12 +1,5 @@
 - name: General
   files:
     - name: Welcome
-      path: welcome.md
-    - name: FAQ
-      path: faq.md
-- name: Topics
-  files:
-    - name: Voice
-      path: voice.md
-    - name: Partials
-      path: partials.md
+      id: welcome
+      path: ../../README.md