Adds edit icon to each header in the page.

Towards #618

Signed-off-by: Abijeet <abijeetpatro@gmail.com>

resources/assets/js/vues/page-editor.js

@@ -43,6 +43,13 @@ function mounted() {
     window.$events.listen('editor-markdown-change', markdown => {
         this.editorMarkdown = markdown;
     });
+
+    const scrollToText = window.location.hash ? window.location.hash.substr(1) : '';
+    if (scrollToText) {
+        setTimeout(() => {
+            window.$events.emit('editor-scroll-to-text', scrollToText);
+        }, 1000)
+    }
 }
 
 let data = {