Add issue templates

.github/ISSUE_TEMPLATE/bug_report.md

+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+- [ ] I have searched the [issues](https://github.com/ctripcorp/apollo/issues) of this repository and believe that this is not a duplicate.
+- [ ] I have checked the [FAQ](https://github.com/ctripcorp/apollo/wiki/%E9%83%A8%E7%BD%B2&%E5%BC%80%E5%8F%91%E9%81%87%E5%88%B0%E7%9A%84%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98) of this repository and believe that this is not a duplicate.
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. 
+2. 
+3. 
+4. 
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+### Additional Details & Logs
+
+- Version
+- Error logs
+- Configuration
+- Platform and Operating System

.github/ISSUE_TEMPLATE/feature_request.md

+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: feature request
+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.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.