Fix info.xml schema, purge empty dirs, update URLs

appinfo/info.xml

@@ -6,9 +6,10 @@
     <summary>Discord webhook bridge for Nextcloud Talk with image support</summary>
     <description>Accepts Discord webhook-style JSON payloads and posts them into Nextcloud Talk rooms, preserving image attachments. Each room gets its own webhook URL with an auth token for security.</description>
     <version>1.0.0</version>
-    <licence>agpl</licence>
-    <author>Kyle</author>
+    <licence>AGPL-3.0-or-later</licence>
+    <author homepage="https://github.com/Mr-Newlove/nc_bot_webhooks/kyle">Kyle</author>
     <namespace>NCdiscordhook</namespace>
+    <category>integration</category>
 
     <dependencies>
         <nextcloud min-version="28" max-version="33"/>
@@ -22,8 +23,5 @@
         <admin>OCA\NCdiscordhook\Settings\Admin</admin>
     </settings>
 
-    <category>integration</category>
-
-    <bugs-url>https://github.com/your-org/ncdiscordhook/issues</bugs-url>
-    <source>https://github.com/your-org/ncdiscordhook</source>
+    <bugs>https://github.com/Mr-Newlove/nc_bot_webhooks/issues</bugs>
 </info>