User guide & vale setup (#2260)

* 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

* doc addition and changes

* introduce user guide & graphql api

* set up vale, added to docs

* vale config file

* revised backend best practices

* connecting zapier and twenty

* added warning for zapier

docs/vale/styles/docs/Ordinal.yml

@@ -0,0 +1,12 @@
+extends: existence
+message: "Don't add -ly to an ordinal number."
+level: suggestion
+action:
+  name: edit
+  params:
+    - trim
+    - ly
+tokens:
+  - firstly
+  - secondly
+  - thirdly