Update bug report template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -10,20 +10,25 @@ 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.
+
+<!-- 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)
+<!-- Steps used to install `camelot`:
+1. Add step here (you can add more steps too) -->
+
+<!-- Steps to be used to reproduce behavior:
+1. Add step here (you can add more steps too) -->
 
 **Expected behavior**
-A clear and concise description of what you expected to happen.
+
+<!-- A clear and concise description of what you expected to happen. -->
 
 **Code**
-Add the Camelot code snippet that you used.
+
+<!-- Add the Camelot code snippet that you used. -->
+
 ```
 import camelot
 
@@ -31,18 +36,22 @@ import camelot
 ```
 
 **PDF**
-Add the PDF file that you want to extract tables from.
+
+<!-- Add the PDF file that you want to extract tables from. -->
 
 **Screenshots**
-If applicable, add screenshots to help explain your problem.
+
+<!-- If applicable, add screenshots to help explain your problem. -->
 
 **Environment**
- - OS: [e.g. MacOS]
- - Python version:
- - Numpy version:
- - OpenCV version:
- - Ghostscript version:
- - Camelot version:
+
+- OS: [e.g. macOS]
+- Python version:
+- Numpy version:
+- OpenCV version:
+- Ghostscript version:
+- Camelot version:
 
 **Additional context**
-Add any other context about the problem here.
+
+<!-- Add any other context about the problem here. -->