[SG-515] add fastmail integration for generator (#3318)

* add fastmail integration for generator

* prettier

* introduce forwarder interface and implementations

apps/web/src/app/tools/generator.component.html

@@ -343,6 +343,28 @@
         />
       </div>
     </div>
+    <div class="row" *ngIf="usernameOptions.forwardedService === 'fastmail'">
+      <div class="form-group col-4">
+        <label for="fastmail-apiToken">{{ "apiAccessToken" | i18n }}</label>
+        <input
+          id="fastmail-apiToken"
+          class="form-control"
+          type="password"
+          [(ngModel)]="usernameOptions.forwardedFastmailApiToken"
+          (blur)="saveUsernameOptions()"
+        />
+      </div>
+      <div class="form-group col-4">
+        <label for="fastmail-accountId">{{ "accountId" | i18n }}</label>
+        <input
+          id="fastmail-accountId"
+          class="form-control"
+          type="text"
+          [(ngModel)]="usernameOptions.forwardedFastmailAccountId"
+          (blur)="saveUsernameOptions()"
+        />
+      </div>
+    </div>
   </ng-container>
   <div class="row" *ngIf="usernameOptions.type === 'subaddress'">
     <div class="form-group col-4">

apps/web/src/locales/en/messages.json

@@ -5312,5 +5312,9 @@
   },
   "numberOfUsers": {
     "message": "Number of users"
+  },
+  "accountId": {
+    "message": "Account ID",
+    "description": "ID is short for 'Identifier'"
   }
 }