fix: add main forgejo sync workflow

.github/workflows/sync-to-forgejo.yml

@@ -0,0 +1,40 @@
+name: sync-to-forgejo
+
+on:
+  push:
+    branches:
+      - main
+      - high-performance
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Push branch to Forgejo
+        env:
+          FORGEJO_SECRET: ${{ secrets.FORGEJO_SECRET || secrets.GITEA_SECRET }}
+          FORGEJO_OWNER: ${{ secrets.FORGEJO_OWNER || 'ashwin' }}
+          FORGEJO_USERNAME: ${{ secrets.FORGEJO_USERNAME || secrets.GITEA_USERNAME || 'ashwin' }}
+          REPO: ${{ github.event.repository.name }}
+          BRANCH: ${{ github.ref_name }}
+        run: |
+          set -euo pipefail
+          test -n "${FORGEJO_SECRET:-}" || { echo "FORGEJO_SECRET is empty"; exit 1; }
+
+          ENCODED_PASSWORD="$(printf '%s' "${FORGEJO_SECRET}" | jq -sRr @uri)"
+          TARGET="https://${FORGEJO_USERNAME}:${ENCODED_PASSWORD}@ci.nxtgauge.com/${FORGEJO_OWNER}/${REPO}.git"
+
+          git config user.name "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git remote remove forgejo 2>/dev/null || true
+          git remote add forgejo "${TARGET}"
+
+          git push forgejo "HEAD:${BRANCH}" --force
+          git push forgejo --tags --force