ci: new action to release on demand

Author: tanishqmanuja

.github/workflows/create-release.yml

@@ -0,0 +1,56 @@
+name: Create Release
+
+on:
+  workflow_dispatch:
+    inputs:
+      bump:
+        description: Bump type
+        required: true
+        type: choice
+        options: [patch, minor, major]
+        default: patch
+
+jobs:
+  create-release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+
+      - name: Determine next version
+        id: version
+        run: |
+          # Get last tag or default to 0.0.0
+          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
+          echo "Last tag: $LAST_TAG"
+
+          # Strip leading v
+          LAST_VERSION="${LAST_TAG#v}"
+
+          # Bump using bun
+          NEW_VERSION=$(bunx semver "$LAST_VERSION" --increment ${{ github.event.inputs.bump }})
+          echo "New version: $NEW_VERSION"
+
+          # Export version
+          echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
+
+      - name: Create and push tag
+        run: |
+          git tag "v${{ steps.version.outputs.new_version }}"
+          git push origin "v${{ steps.version.outputs.new_version }}"
+
+      - name: Generate Changelog
+        run: bunx changelogithub --name "DimLED Mini v${{ steps.version.outputs.new_version }}"
+        continue-on-error: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}