chore: optimize 1panel app builder skill

skills/tests/run_all.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
+
+cd "$ROOT_DIR"
+
+bash -n skills/scripts/download-icon.sh
+bash -n skills/scripts/generate-app.sh
+bash -n skills/scripts/validate-app.sh
+bash -n skills/tests/test_skills_scripts.sh
+
+bash skills/tests/test_skills_scripts.sh
+
+echo "All skills checks passed."