chore: update .mokogitea/manifest.xml with standard format

Add Moko Platform header comment, last-synced timestamp, and
normalize indentation to match other repos.

Authored-by: Moko Consulting

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.mokogitea/manifest.xml

@@ -1,19 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Moko Platform Repository Manifest
+  See: https://git.mokoconsulting.tech/MokoConsulting/moko-platform/wiki/Home
+-->
 <moko-platform xmlns="https://standards.mokoconsulting.tech/moko-platform/1.0" schema-version="1.0">
-    <identity>
-        <name>MokoOpenGraph</name>
-        <org>MokoConsulting</org>
-        <description>Open Graph, SEO meta tags, and social sharing image management for Joomla articles and menu items</description>
-        <license spdx="GPL-3.0-or-later">GNU General Public License v3</license>
-    </identity>
-    <governance>
-        <platform>joomla</platform>
-        <standards-version>05.00.00</standards-version>
-        <standards-source>https://git.mokoconsulting.tech/MokoConsulting/moko-platform</standards-source>
-    </governance>
-    <build>
-        <language>PHP</language>
-        <package-type>joomla-extension</package-type>
-        <entry-point>src/</entry-point>
-    </build>
+  <identity>
+    <name>MokoOpenGraph</name>
+    <org>MokoConsulting</org>
+    <description>Open Graph, SEO meta tags, and social sharing image management for Joomla articles and menu items</description>
+    <license spdx="GPL-3.0-or-later">GNU General Public License v3</license>
+  </identity>
+  <governance>
+    <platform>joomla</platform>
+    <standards-version>05.00.00</standards-version>
+    <standards-source>https://git.mokoconsulting.tech/MokoConsulting/moko-platform</standards-source>
+    <last-synced>2026-05-23T22:16:00+00:00</last-synced>
+  </governance>
+  <build>
+    <language>PHP</language>
+    <package-type>joomla-extension</package-type>
+    <entry-point>src/</entry-point>
+  </build>
 </moko-platform>