chore(tpl): add docs in type of change (#397)

.github/pull_request_template.md

@@ -2,7 +2,7 @@
 
 # Description
 
-> Please share your ideas and awesome changes to let us know more
+> Please share your ideas and awesome changes to let us know more :)
 
 
 <!-- Please include a summary of the change or which issue is fixed. Please also include relevant motivation and context.
@@ -18,19 +18,22 @@ Fixes # (issue number if exists)
 - [ ] Bug fix (Non-breaking change which fixes an issue)
 - [ ] New feature (Non-breaking change which adds functionality)
 - [ ] Breaking change (Would cause existing functionality to not work as expected)
+- [ ] Docs
 - [ ] Others
 
 <!-- details -->
----
 
-# Examples:
 
+
+---
+
+<!--
 If there contains new features of charts, are you willing to submit a PR
 on [go-echarts/Examples](https://github.com/go-echarts/examples)?
 > This is absolutely not required, but we are happy to see that you could share or update the related
 > charts' examples to benefit more users.
 
-- [ ] Yes, I am willing to submit a PR on [Examples](https://github.com/go-echarts/examples)!
+Consider to submit a PR on [Examples](https://github.com/go-echarts/examples)!
 
-<!-- The related PRs in Example : -->
+ -->