Update about screen to add information about specific branch from where Kiwi was derived from

Author: kiwibrowser

components/version_ui/resources/about_version.html

@@ -46,8 +46,8 @@
       <table id="inner" cellpadding="0" cellspacing="0" border="0">
         <tr><td class="label">$i18n{application_label}</td>
           <td class="version" id="version">
-            <span>$i18n{version}</span>
-            (<span>$i18n{official}</span>)
+            <span>source branch is Chromium 77.0 + Kiwi backported fixes, will show $i18n{version} to websites for compatibility reasons</span>
+            <!-- (<span>$i18n{official}</span>) -->
             <span>$i18n{version_modifier}</span>
             <span>$i18n{version_bitsize}</span>
 <if expr="is_win">
@@ -61,6 +61,12 @@
             <span>$i18n{cl}</span>
           </td>
         </tr>
+        <tr>
+          <td class="label">Source-code</td>
+          <td class="version">
+            <span><a href="https://github.com/kiwibrowser/src" target="_blank">https://github.com/kiwibrowser/src</a></span>
+          </td>
+        </tr>
 <if expr="not chromeos">
         <tr>
           <td class="label">$i18n{os_name}</td>