Doc changes (#2124)

* refactored Storybook UI

* refactored Storybook UI

* removed extra cards from the doc, added card for ui components

* added hover behavior to doc page & made it look selected

* separate storybook docs and tests

* separating storybook tests and docs

* fixed spelling errors in docs

* Final round of edits for frontend, added backend folder architecture

* Created CODE_OF_CONDUCT.md

* Add code of conduct to contributing.md

* doc changes

* fixed broken links

docs/src/theme/icons.js

@@ -32,5 +32,7 @@ export {
   TbTopologyStar,
   TbVocabulary,
   TbZoomQuestion,
-  TbRocket
+  TbRocket,
+  TbAugmentedReality,
+  TbTerminal,
 } from "react-icons/tb";