Fix README table of contents

README.md

@@ -28,9 +28,11 @@ Build static HTML galleries from local photos & videos.
 - [Expected output](#expected-output)
 - [Configuration](#configuration)
 - [Generated gallery structure](#generated-gallery-structure)
+- [Themes](#themes)
 - [Deployment](#deployment)
 - [Password protection](#password-protection)
 - [Dev notes](#dev-notes)
+
 <!-- END toc -->
 
 ## Example gallery

package.json

@@ -23,7 +23,7 @@
     "clean": "rm -rf docs/*",
     "example": "node bin/thumbsup --config example.json",
     "open": "open docs/index.html",
-    "readme": "markdown-toc README.md | node-injectmd -t toc -i README.md"
+    "readme": "markdown-toc README.md | awk 1 | node-injectmd -t toc -i README.md"
   },
   "bin": {
     "thumbsup": "./bin/thumbsup.js"