feat(reddit): provide user-agent header

packages/backend/src/apps/reddit/common/add-auth-header.ts

@@ -1,10 +1,22 @@
 import { TBeforeRequest } from '@automatisch/types';
+import appConfig from '../../../config/app';
 
 const addAuthHeader: TBeforeRequest = ($, requestConfig) => {
+  const screenName = $.auth.data?.screenName as string;
   if ($.auth.data?.accessToken) {
     requestConfig.headers.Authorization = `${$.auth.data.tokenType} ${$.auth.data.accessToken}`;
   }
 
+  if (screenName) {
+    requestConfig.headers[
+      'User-Agent'
+    ] = `web:automatisch:${appConfig.version} (by /u/${screenName})`;
+  } else {
+    requestConfig.headers[
+      'User-Agent'
+    ] = `web:automatisch:${appConfig.version}`;
+  }
+
   return requestConfig;
 };