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>

contributing.md

@@ -125,6 +125,22 @@ It's important to add a valid type, this will help us categorize the content and
 - PR's that don't follow our style guide, have no description, and a default title.
 - Links to your own blog articles.
 
+## Local Development
+
+For local development, you can use the following commands:
+
+```bash
+git clone git@github.com:kamranahmedse/developer-roadmap.git --depth 1
+cd developer-roadmap
+pnpm add @roadmapsh/editor@npm:@roadmapsh/dummy-editor -w
+pnpm install
+```
+Run the development server with:
+
+```bash
+pnpm dev
+```
+
 ***
 
 Have a look at the [License](./license) file.