feat: promote botfights from web-only to container app

Convert botfights from external link to real container app on port 9100.
Add manifest, update marketplace/discover/kiosk/session configs, switch
registry URLs to git.tx1138.com.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

neode-ui/src/utils/dummyApps.ts

@@ -575,7 +575,7 @@ export const dummyApps: Record<string, PackageDataEntry> = {
       'current-dependencies': {},
       'last-backup': null,
       'interface-addresses': {
-        main: { 'tor-address': '', 'lan-address': 'https://botfights.net' }
+        main: { 'tor-address': '', 'lan-address': 'http://localhost:9100' }
       },
       status: ServiceStatus.Running
     }