feat(telegram-bot): add authentication support

packages/backend/src/apps/telegram-bot/auth/index.ts

@@ -0,0 +1,21 @@
+import verifyCredentials from './verify-credentials';
+import isStillVerified from './is-still-verified';
+
+export default {
+  fields: [
+    {
+      key: 'token',
+      label: 'Bot token',
+      type: 'string' as const,
+      required: true,
+      readOnly: false,
+      value: null,
+      placeholder: null,
+      description: 'Bot token which should be retrieved from @botfather.',
+      clickToCopy: false,
+    },
+  ],
+
+  verifyCredentials,
+  isStillVerified,
+};