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/docs/others/CLI.mdx

@@ -1,10 +0,0 @@
----
-title: CLI
-sidebar_position: 1
-sidebar_class_name: coming-soon
-sidebar_custom_props:
-  icon: TbTerminal2
----
-
-
-Available soon!

docs/docs/others/_category_.json

@@ -1,4 +1,4 @@
 {
   "label": "Others",
-  "position": 5
+  "position": 4
 }