Add bug report template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,48 @@
+---
+name: Bug report
+about: Please follow this template to submit bug reports.
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+<!-- Please read the filing issues section of the contributor's guide first: https://camelot-py.readthedocs.io/en/master/dev/contributing.html -->
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Steps to reproduce the bug**
+Steps used to install `camelot`:
+1. Add step here (you can add more steps too)
+
+Steps to reproduce the behavior:
+1. Add step here (you can add more steps too)
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Code**
+Add the Camelot code snippet that you used.
+```
+import camelot
+
+# add your code here
+```
+
+**PDF**
+Add the PDF file that you want to extract tables from.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Environment**
+ - OS: [e.g. MacOS]
+ - Python version:
+ - Numpy version:
+ - OpenCV version:
+ - Ghostscript version:
+ - Camelot version:
+
+**Additional context**
+Add any other context about the problem here.