Initial commit: OpenCode setup and configuration

check_port.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+echo "=== Port 3030 User ==="
+sudo ss -tulpn | grep 3030
+
+echo "=== Change Port and Fix ==="
+# Prevent auto-execution of this part until confirmed, but the script puts it all together.
+# I will use separate steps.