Merge pull request #19901 from overleaf/ac-confirm-institution-domain-queue-in-institution-module

[web] Add `start` function to modules. Move `confirm-institution-domain` queue to institution module

GitOrigin-RevId: 0d36ff3dcc529e77c76d72d0a67bbdb9310b42fd

services/web/types/web-module.ts

@@ -52,6 +52,7 @@ export type WebModule = {
     [name: string]: (req: any, res: any, next: any) => void
   }
   sessionMiddleware?: (webRouter: any, options: any) => void
+  start?: () => Promise<void>
   appMiddleware?: (app: any) => void
   linkedFileAgents?: {
     [name: string]: () => LinkedFileAgent