feat: add NTFY notification workflow for push events

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

.gitea/workflows/notify.yml

@@ -0,0 +1,18 @@
+name: NTFY Notification
+on: [push]
+
+jobs:
+  notify:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Send to NTFY
+        run: |
+          curl -d "🚀 AutoBOM: New commit ${{ github.sha }}" \
+            -d "📝 Message: ${{ github.event.head_commit.message }}" \
+            -d "👤 Author: ${{ github.actor }}" \
+            -d "🌿 Branch: ${{ github.ref_name }}" \
+            -H "Title: Git Push Notification" \
+            -H "Priority: default" \
+            -H "Tags: gitea,autobom,push" \
+            -H "Authorization: Bearer ${{ secrets.NTFY_TOKEN }}" \
+            https://ntfy.server10086.icu/gitea