chore: 🤖 Add workflows

.github/workflows/dispatch-deploy.yml

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+# This is a basic workflow that is manually triggered
+
+name: Deploy workflow
+
+on:
+  pull_request:
+    types: [closed]
+    branches:
+      - tw
+
+jobs:
+  dispatch_event:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Repository Dispatch
+        uses: peter-evans/[email protected]
+        with:
+          token: ${{ secrets.REPO_ACCESS_TOKEN }}
+          repository: ashramwen/tailwindcss.com
+          event-type: sync-event
+          client-payload: '{"ref": "${{ github.ref }}", "sha": "${{ github.sha }}"}'

.github/workflows/sync.yml

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+name: Sync Fork
+
+on:
+  schedule:
+    - cron: '*/30 * * * *' # every 30 minutes
+  workflow_dispatch: # on button click
+  repository_dispatch:
+    types: [sync-event]
+
+jobs:
+  sync_with_upstream:
+    runs-on: ubuntu-latest
+    name: Sync main with upstream latest
+
+    steps:
+    # Step 1: run a standard checkout action, provided by github
+    - name: Checkout main
+      uses: actions/checkout@v2
+      with:
+        ref: tw
+        # submodules: 'recursive'     ### may be needed in your situation
+
+    # Step 2: run this sync action - specify the upstream repo, upstream branch to sync with, and target sync branch
+    - name: Pull (Fast-Forward) upstream changes
+      id: sync
+      uses: aormsby/[email protected]
+      with:
+        upstream_repository: tailwindcss-tw/tailwindcss.com
+        upstream_branch: tw
+        target_branch: tw
+        git_pull_args: --ff-only                    # optional arg use, defaults to simple 'pull'
+        github_token: ${{ secrets.GITHUB_TOKEN }}   # optional, for accessing repos that require authentication
+
+    # Step 3: Display a message if 'sync' step had new commits (simple test)
+    - name: Check for new commits
+      if: steps.sync.outputs.has_new_commits
+      run: echo "There were new commits."
+
+    # Step 4: Print a helpful timestamp for your records (not required, just nice)
+    - name: Timestamp
+      run: date