feat: add detailed feature sections and keyboard cheat sheet, simplify installation, update UI styling, and remove a test directory.

Author: Bharath-code

.gitignore

@@ -27,4 +27,7 @@ demo.gif
 demo.tape
 git-scope
 git-scope-test
-git-scope-final
+git-scope-final
+docs/images/fallback_pic
+docs/images/mobile
+docs/images/desktop