feat: video upload - disable muse upload + upgrade server (#207)

* fix: only upload to cloudflare

* feat: ci/cd for apps/backend

.github/workflows/deploy-backend-on-push.yml

@@ -0,0 +1,16 @@
+name: Deloy Backend to Flyio
+on:
+  push:
+    branches:
+      - main
+jobs:
+  deploy:
+    name: Deploy backend
+    runs-on: ubuntu-latest
+    concurrency: deploy-group # optional: ensure only one action runs at a time
+    steps:
+      - uses: actions/checkout@v4
+      - uses: superfly/flyctl-actions/setup-flyctl@master
+      - run: flyctl deploy --remote-only
+        env:
+          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}