chore(gh): update GitHub templates

.github/CONTRIBUTING.md

@@ -43,11 +43,15 @@ At any time, you think it's ok, you can start the following steps to submit your
 
 ### Q & A
 
-> I added a new document page, but it was not displayed locally?
+> How to choose the target branch of PR ?
+
+- If this is a `feature`, set to `rc` branch. All the others are set to `master` branch.
+
+> I added a new document page, but it was not displayed locally ?
 
 - Run `yarn dev` agian.
 
-> How can I update remote origin?
+> How can I update remote origin ?
 
 - refer to [here](https://git-scm.com/book/en/v2/Git-Basics-Working-with-Remotes).
 

.github/ISSUE_TEMPLATE/1-bug-report.md

@@ -3,14 +3,25 @@ name: "Bug report 🐞"
 about: "If something isn't working as expected 🤔."
 ---
 
+<!-- Please do NOT DELETE the template. -->
+<!-- No template issues will be closed. -->
+
 # Bug report 🐞
 
 ## Version & Environment
 
+  - Version of browser
+  - Version of `zeit-ui/react`
 
 ## Expection
 
+The behavior I expect is ...
+
 ## Actual results (or Errors)
 
+I got an error:
 
+```
+code
+```
 

.github/ISSUE_TEMPLATE/2-feature-request.md

@@ -3,19 +3,23 @@ name: "Feature request 🚀"
 about: "I have a suggestion!"
 ---
 
+<!-- Please do NOT DELETE the template. -->
+<!-- No template issues will be closed. -->
+
 # Feature request 🚀
 
-### Expected:
-  - No breaking changes
+  - [ ] I will create Pull Request
+  - [x] It's just a suggestion
 
-### Examples:
-```js
+### Expected
+
+  - Component or something else
+
+### Examples
+
+```jsx
 ```
 
-### Programme:
-
-### Others:
-
-
-
+### Programme (Optional)
 
+### Others (Optional)

.github/ISSUE_TEMPLATE/3-docs.md

@@ -0,0 +1,22 @@
+---
+name: "About `docs` 🛠️"
+about: "Issues and feature requests for docs"
+---
+
+<!-- Please do NOT DELETE the template. -->
+<!-- No template issues will be closed. -->
+
+# About `docs`
+
+This is a document site related issue.
+
+### Languages
+
+  - [x] English
+  - [ ] Chinese
+
+### Description
+
+
+### Page Links (Optional)
+

.github/ISSUE_TEMPLATE/3-styles.md

@@ -1,8 +0,0 @@
----
-name: "About `styles` 🛠️"
-about: "Issues and feature requests for styles"
----
-
-# About `styles` 🛠️
-
-

.github/ISSUE_TEMPLATE/4-docs.md

@@ -1,7 +0,0 @@
----
-name: "About `docs` 🛠️"
-about: "Issues and feature requests for docs"
----
-
-# About `docs`
-

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,9 +1,7 @@
-## PR Checklist
+## Checklist
 
 - [ ] Fix linting errors
 - [ ] Label has been added
 
-
 ## Change information
 
-