Website: Link to the Chinese translation

Closes #921

docs/constants.js

@@ -0,0 +1,11 @@
+const GITHUB_URL = 'https://github.com/go-task/task';
+const TWITTER_URL = 'https://twitter.com/taskfiledev';
+const DISCORD_URL = 'https://discord.gg/6TY36E39UK';
+const CHINESE_URL = 'https://task-zh.readthedocs.io/zh_CN/latest/';
+
+module.exports = {
+  GITHUB_URL,
+  TWITTER_URL,
+  DISCORD_URL,
+  CHINESE_URL
+};