Add auto-start SSH tunnel hook

Starts the Forgejo tunnel (localhost:3000) automatically on prompt
submit if it's not already running. Prevents needing to manually
restart after window reloads.

Co-authored-by: Samuel James <ssamjame@amazon.com>
Co-authored-by: Kiro <noreply@kiro.dev>

.kiro/hooks/start-forgejo-tunnel.kiro.hook

@@ -0,0 +1,14 @@
+{
+  "enabled": true,
+  "name": "Start Forgejo Tunnel",
+  "description": "Starts the SSH tunnel to Forgejo (localhost:3000 → 192.168.122.102:3000) when a prompt is submitted, ensuring the Forgejo extension and Git operations work.",
+  "version": "1",
+  "when": {
+    "type": "promptSubmit"
+  },
+  "then": {
+    "type": "runCommand",
+    "command": "powershell -Command \"if (-not (Test-NetConnection -ComputerName localhost -Port 3000 -InformationLevel Quiet -WarningAction SilentlyContinue)) { Start-Process ssh -ArgumentList '-N','forgejo-tunnel' -WindowStyle Hidden }\"",
+    "timeout": 10
+  }
+}