track successful account creation (#955)

src/state/models/session.ts

@@ -11,6 +11,7 @@ import {networkRetry} from 'lib/async/retry'
 import {z} from 'zod'
 import {RootStoreModel} from './root-store'
 import {IS_PROD} from 'lib/constants'
+import {track} from 'lib/analytics/analytics'
 
 export type ServiceDescription = DescribeServer.OutputSchema
 
@@ -388,6 +389,7 @@ export class SessionModel {
 
     await this.setActiveSession(agent, did)
     this._log('SessionModel:createAccount succeeded')
+    track('Create Account Successfully')
   }
 
   /**