feat: histories in global chat and roadmap chat (#8775)

* feat: ai chat history

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip: skeleton loading

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* wip

* fix: chat history

* wip

* wip

* fix: responsiveness

* wip

* wip

* Chat history UI

* Update chat history

* wip

* Update chat history

* Update chat history

* Fix ai chat not working

* Update

* wip

* feat: show chat history always

* feat: upgrade to pro

* wip

* Update history design

* UI design improvement for empty sidebar

* feat: chat history title

* Fix, delete chat throwing error

* Plus icon when chat is closed

* fix: action z-index

* Improve skeleton and logged out user workflow

* Chat history improvements

* Add plus for chat icons

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Co-authored-by: Arik Chakma <arikchangma@gmail.com>

src/styles/global.css

@@ -2,6 +2,7 @@
 @import '@roadmapsh/editor/style.css';
 
 @config '../../tailwind.config.cjs';
+@plugin 'tailwind-scrollbar';
 
 @font-face {
   font-family: 'Balsamiq Sans';