Update zh-CN.json (POEditor.com)

locales/zh-CN.json

@@ -115,5 +115,7 @@
     "Help us translating on %s": "在 %s 上帮我们翻译",
     "Source Code": "源代码",
     "Register": "注册",
-    "Powered by %s": "由 %s 驱动"
+    "Powered by %s": "由 %s 驱动",
+    "Help us translating": "帮助我们翻译",
+    "Join the community": "加入社区"
 }