Update issue templates

Author: runxel

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,23 @@
+---
+name: Bug report
+about: Something's broken?
+title: ''
+labels: bug?
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To reproduce**
+Steps to reproduce the behavior...
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**My system (please complete the following information):**
+ - OS: [e.g. MacOS]
+
+**Additional context**
+Add any other context about the problem here.