feat: add Gitea as Archipelago app with container registry

Gitea app manifest, marketplace entry, nginx proxy, app session config,
image version, package install config. Container registry enabled on
Gitea for fallback image hosting. Trusted registries updated.

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

neode-ui/src/views/appSession/appSessionConfig.ts

@@ -43,6 +43,7 @@ export const APP_PORTS: Record<string, number> = {
   'routstr':       8200,
   'indeedhub':     7778,
   'botfights':     9100,
+  'gitea':         3000,
   'dwn':           3100,
   'endurain':      8080,
 }
@@ -88,6 +89,7 @@ export const HTTPS_PROXY_PATHS: Record<string, string> = {
   'grafana': '/app/grafana/',
   'indeedhub': '/app/indeedhub/',
   'botfights': '/app/botfights/',
+  'gitea': '/app/gitea/',
   'routstr': '/app/routstr/',
   'nostr-vpn': '/app/nostr-vpn/',
   'fips': '/app/fips/',
@@ -106,7 +108,7 @@ export const EXTERNAL_URLS: Record<string, string> = {
 
 export const APP_TITLES: Record<string, string> = {
   'bitcoin-knots': 'Bitcoin', 'btcpay-server': 'BTCPay Server', 'indeedhub': 'Indeehub',
-  'botfights': 'BotFights', '484-kitchen': '484 Kitchen', 'arch-presentation': 'Presentation',
+  'botfights': 'BotFights', 'gitea': 'Gitea', '484-kitchen': '484 Kitchen', 'arch-presentation': 'Presentation',
   'nostr-vpn': 'Nostr VPN', 'fips': 'FIPS', 'routstr': 'Routstr',
   'homeassistant': 'Home Assistant', 'uptime-kuma': 'Uptime Kuma',
   'nginx-proxy-manager': 'Nginx Proxy Manager', 'nostr-rs-relay': 'Nostr Relay',