Adds headers to the AsciiDoc editor

lib/gollum/public/gollum/javascript/editor/langs/asciidoc.js

@@ -37,6 +37,21 @@ var ASCIIDoc = {
                               replace: "----\n$1$2\n----\n"
                             },
 
+  'function-h1' :           {
+                              search: /(.+)([\n]?)/g,
+                              replace: "= $1$2"
+                            },
+
+  'function-h2' :           {
+                              search: /(.+)([\n]?)/g,
+                              replace: "== $1$2"
+                            },
+
+  'function-h3' :           {
+                              search: /(.+)([\n]?)/g,
+                              replace: "=== $1$2"
+                            },
+
   'function-link'       :   {
                               exec: function( txt, selText, $field ) {
                                 var results = null;