Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,34 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+<!-- Describe the bug -->
+A clear and concise description of what the bug is.
+
+### Steps to reproduce
+1. ...
+
+```rust
+// Paste a minimal example that causes the problem.
+```
+
+### Expected Behavior
+<!-- Tell us what should happen. -->
+
+
+### Actual Behavior
+<!-- Tell us what happens instead. -->
+
+```
+Paste the full traceback if there was an exception.
+```
+
+### Environment
+
+* OS: Linux / Windows / MacOS
+* rust version:

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+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.