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>

astro.config.mjs

@@ -1,10 +1,10 @@
 // https://astro.build/config
 import sitemap from '@astrojs/sitemap';
-import tailwind from '@astrojs/tailwind';
 import node from '@astrojs/node';
 import { defineConfig } from 'astro/config';
 import rehypeExternalLinks from 'rehype-external-links';
 import { serializeSitemap, shouldIndexPage } from './sitemap.mjs';
+import tailwindcss from '@tailwindcss/vite';
 
 import react from '@astrojs/react';
 
@@ -61,11 +61,6 @@ export default defineConfig({
   }),
   trailingSlash: 'never',
   integrations: [
-    tailwind({
-      config: {
-        applyBaseStyles: false,
-      },
-    }),
     sitemap({
       filter: shouldIndexPage,
       serialize: serializeSitemap,
@@ -73,6 +68,7 @@ export default defineConfig({
     react(),
   ],
   vite: {
+    plugins: [tailwindcss()],
     ssr: {
       noExternal: [/^@roadmapsh\/editor.*$/],
     },