Migrate to Tailwind 4 + Editor Upgrade (#8465)

* wip

* fix: roadmap editor

* fix: padding

* wip

* fix: remove editor package

* wip

* fix: update pnpm lock

* Add contribution docs

* UI changes for TW4

* Update deployment workflow

---------

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

src/components/RoadmapHeader.astro

@@ -95,7 +95,7 @@ const roadmapTitle =
         <MarkFavorite
           resourceId={roadmapId}
           resourceType='roadmap'
-          className='relative top-px mr-2 text-gray-500 !opacity-100 hover:text-gray-600 focus:outline-0 [&>svg]:h-4 [&>svg]:w-4 [&>svg]:stroke-gray-400 [&>svg]:stroke-[0.4] hover:[&>svg]:stroke-gray-600 sm:[&>svg]:h-4 sm:[&>svg]:w-4'
+          className='relative top-px mr-2 text-gray-500 opacity-100! hover:text-gray-600 focus:outline-0 [&>svg]:h-4 [&>svg]:w-4 [&>svg]:stroke-gray-400 [&>svg]:stroke-[0.4] [&>svg]:hover:stroke-gray-600 sm:[&>svg]:h-4 sm:[&>svg]:w-4'
           client:only='react'
         />
         <ScheduleButton