docs: update issue template and create pr template

* update ISSUE_TEMPLATE
* delete extra template
* create PULL_REQUEST_TEMPLATE.md

.github/ISSUE_TEMPLATE/bug_report.md

@@ -9,6 +9,7 @@ about: Create a report to help us improve
 
 - [ ] I confirm that this is an issue rather than a question.
 
+<!-- Please ask questions on WeChat group. -->
 
 ## Bug report
 

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,35 @@
+<!-- PULL REQUEST TEMPLATE -->
+<!-- (Update "[ ]" to "[x]" to check a box) -->
+
+<!-- Thanks for your contribution. -->
+<!-- So that we can understand your changes quickly, **please don't delete this template.** -->
+<!-- To avoid wasting your time, if you need a new feature, it's best to open a feature request issue first and wait for approval before working on it. -->
+
+**Summary**
+
+<!-- Please describe your changes here. -->
+
+**The PR fulfills these requirements:**
+
+- [ ] I confirm that I have been tested it.
+
+**What kind of change does this PR introduce?** (check at least one)
+
+- [ ] Bugfix
+- [ ] Feature
+- [ ] Code style update
+- [ ] Refactor
+- [ ] Docs
+- [ ] Build-related changes
+- [ ] Other, please describe:
+
+If changing the UI , please provide the **demo url** or **before/after screenshot**:
+
+**Does this PR introduce a breaking change?** (check one)
+
+- [ ] Yes
+- [ ] No
+
+If yes, please describe the impact and migration path for existing applications:
+
+**Other information:**

.github/bug_report.md

@@ -1,25 +0,0 @@
----
-name: Bug report
-about: Create a report to help us improve
----
-
-<!-- Please confirm you will submit an issue. -->
-<!-- Issues which contain questions or support requests will be closed. -->
-<!-- (Update "[ ]" to "[x]" to check a box) -->
-
-- [ ] I confirm that this is an issue rather than a question.
-
-
-## Bug report
-
-#### What is actually happening?
-
-
-#### Other relevant information
-
-
-- Your OS: 
-- Node.js version: 
-- VuePress version: 
-- VuePress-theme-reco version: 
-- Which package manager did you use for the install(npm/cnpm/yarn)?