ci: add bug reporting template (#24)

Co-authored-by: Asad Ali <asad.ali@apimatic.io>

.github/ISSUE_TEMPLATE/bug-report.md

@@ -0,0 +1,33 @@
+---
+name: Bug Report
+about: Create a report to help us improve the library
+title: ''
+labels: bug, triage
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**To Reproduce**
+Steps to reproduce the bug:
+1. (step 1)
+2. (step 2)
+3. (step 3)
+4. ...
+
+**Screenshots**
+If applicable, add screenshots to help explain the bug.
+
+**Library version number**
+For example:  0.1.1
+
+**Environmental details**
+For example:
+OS: Linux
+Runtime version: Python 3.7
+
+**Additional context**
+Add any other context about the problem here.