Chore: Create bug report template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,37 @@
+---
+name: Bug report
+about: Report a bug to help improve the library
+title: "[BUG] <bug description>"
+labels: bug
+assignees: ''
+
+---
+
+Write a short description of the bug in the issue title
+
+**Describe the bug**
+Describe the bug in length here.
+
+**Expected behavior**
+Describe what you expected to happen.
+
+**Real behavior**
+Describe what actually happens.
+
+**To Reproduce**
+List the steps needed to reproduce the bug:
+1. ...
+2. ...
+etc...
+
+**Context/Environment**
+Write here the information about the environment in which the bug happens, such as:
+- Your operating system
+- Your python version
+- The version of flask-utils you're using
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem that you think might be relevant.