issue templates

Author: shuzijun

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,32 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Software versions(*Help* -> *About*)**
+- Product: [e.g IDEA 2020.2]
+- Runtime version:[e.g 11.0.7+10-b944.20 amd64]
+- VM:[e.g OpenJDK 64-Bit Server VM by JetBrains s.r.o.]
+- OS:[e.g Windows 10]
+
+**Question(Optional)**
+- URL:[e.g leetcode.com]
+- Code Type:[e.g JAVA]
+- code:
+  ```
+  
+  ```

.github/ISSUE_TEMPLATE/discuss.md

@@ -0,0 +1,25 @@
+---
+name: Discuss
+about: Start a discussion or ask for help
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Desc**
+Start a discussion or ask for help
+
+**Software versions(*Help* -> *About*)(Optional)**
+- Product: [e.g IDEA 2020.2]
+- Runtime version:[e.g 11.0.7+10-b944.20 amd64]
+- VM:[e.g OpenJDK 64-Bit Server VM by JetBrains s.r.o.]
+- OS:[e.g Windows 10]
+
+**Question(Optional)**
+- URL:[e.g leetcode.com]
+- Code Type:[e.g JAVA]
+- code:
+  ```
+  
+  ```

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,17 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.