Add Docker build/push and Dockge deploy workflow

- Add api/admin/upload Dockerfiles and .dockerignore
- Add deploy/docker-compose.yml (ports 3001-3004) and deploy/README.md
- Add scripts/docker-build-push.sh for Gitea registry push
- Add Gitea/SSH scripts and Google Drive controller updates

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/setup-gitea-ssh.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# One-time setup: creates ~/.ssh/gitea-1password-only so git push uses 1Password for Gitea.
+# Run from project root: ./scripts/setup-gitea-ssh.sh
+
+set -e
+SSH_DIR="$HOME/.ssh"
+CONFIG_FILE="$SSH_DIR/gitea-1password-only"
+OP_SOCK="$HOME/Library/Group Containers/2BUA8C4S2C.com.1password/t/agent.sock"
+
+mkdir -p "$SSH_DIR"
+
+cat > "$CONFIG_FILE" << 'EOF'
+Host 10.0.10.205
+  User gitea
+  HostName 10.0.10.205
+  IdentityAgent "/Users/berthausmans/Library/Group Containers/2BUA8C4S2C.com.1password/t/agent.sock"
+EOF
+
+echo "Created $CONFIG_FILE"
+echo ""
+echo "Next: enable \"Use the SSH agent\" in 1Password (Settings → Developer)."
+echo "Then you can push from Cursor or run: ./gitea-push.sh"