Migration script in prevision of the future settings "chat-type".

server/lib/settings.ts

@@ -1,7 +1,9 @@
 import { getBaseRouterRoute } from './helpers'
 import { ensureProsodyRunning, ensureProsodyNotRunning } from './prosody/ctl'
 
-export function initSettings (options: RegisterServerOptions): void {
+type ChatType = 'disabled' | 'builtin-prosody' | 'builtin-converse' | 'external-uri'
+
+function initSettings (options: RegisterServerOptions): void {
   const { peertubeHelpers, registerSetting, settingsManager } = options
 
   registerSetting({
@@ -214,3 +216,8 @@ Before asking for help, please use this diagnostic tool:
     }
   })
 }
+
+export {
+  ChatType,
+  initSettings
+}