tweaking nav and script

Author: tylerkelly13

modules/ROOT/nav.adoc

@@ -6,8 +6,6 @@ This is a nav file. the following info is for reference only at this time.
 :type: index
 ////
 
-* xref:index.adoc[]
-
 * xref:quick-start.adoc[]
 
 * General configuration guide

package.json

@@ -11,7 +11,7 @@
   "homepage": "https://github.com/tinymce/tinymce-docs#readme",
   "scripts": {
     "build": "antora antora-playbook.yml",
-    "watch": "watch --interval=15 \"yarn build\" ./",
+    "watch": "watch --interval=15 --ignoreDirectoryPattern='/build\\\//' \"yarn build\" ./",
     "server": "http-server build/site/ --port 4000",
     "serve": "npm-run-all -p watch server"
   },