feat: add GitHub action badges to footer for better visibility

Author: fok666

docs/index.html

@@ -669,6 +669,11 @@ <h2>📋 Builds</h2>
     <footer>
       <a href="https://github.com/fok666/lambda-python-layer" target="_blank">lambda-python-layer</a>
       — Build Lambda layers with Docker on EC2 Spot instances
+      <p/>
+      <a href="https://github.com/fok666/lambda-python-layer/actions/workflows/github-code-scanning/codeql"><img src="https://github.com/fok666/lambda-python-layer/actions/workflows/github-code-scanning/codeql/badge.svg" alt="CodeQL" style="margin-left: 12px;" /></a>
+      <a href="https://github.com/fok666/lambda-python-layer/actions/workflows/dependabot/dependabot-updates"><img src="https://github.com/fok666/lambda-python-layer/actions/workflows/dependabot/dependabot-updates/badge.svg" alt="Dependabot" style="margin-left: 12px;" /></a>
+      <a href="https://github.com/fok666/lambda-python-layer/actions/workflows/build-and-release.yml"><img src="https://github.com/fok666/lambda-python-layer/actions/workflows/build-and-release.yml/badge.svg" alt="Build and Release" style="margin-left: 12px;" /></a>
+      <a href="https://github.com/fok666/lambda-python-layer/actions/workflows/static.yml"><img src="https://github.com/fok666/lambda-python-layer/actions/workflows/static.yml/badge.svg" alt="Github Pages" style="margin-left: 12px;" /></a>
     </footer>
   </div>
 
@@ -679,7 +684,7 @@ <h2>📋 Builds</h2>
     // State
     // =========================================================================
     const STORAGE_KEY = 'lambda-layer-builder';
-    const POLL_INTERVAL = 5000; // 5 seconds
+    const POLL_INTERVAL = 10000; // 10 seconds
 
     let state = {
       apiUrl: '',