docs: update contributing guidelines

Author: cotes2020

.github/CONTRIBUTING.md

@@ -45,6 +45,22 @@ $ npx gulp dev
 
 After debugging, run the command `npx gulp` (without any argument) will automatically output the compressed files to the directory `assets/js/dist/`.
 
+## Verify the commit messages
+
+If you want to make sure your commits pass the CI check, you can refer to the following steps.
+
+Install `commitlint` & `husky`:
+
+```console
+$ npm i -g @commitlint/{cli,config-conventional} husky
+```
+
+And then enable `husky`:
+
+```console
+$ husky install
+```
+
 ---
 
 :tada: Your volunteering will make the open-source world more beautiful, thanks again! :tada: