chore(refactor): clean up component folder structure

src/components/README.md

@@ -0,0 +1,14 @@
+The following folders should not be added to or modified:
+
+-   `common`
+-   `markdown`
+-   `native`
+-   `ui`
+
+The following are part-legacy, will remain in place and will be rewritten to some degree still:
+
+-   `navigation`
+
+The following are mostly good to go:
+
+-   `settings`