Update ISSUE_TEMPLATE.md

Author: philwareham

.github/ISSUE_TEMPLATE.md

@@ -1,15 +1,34 @@
-### Expected behaviour
+---
+name: Bug report
+about: Create a report to help us improve the Textpattern.com website.
+---
 
-{Please write here}
+**Describe the bug**
+A clear and concise description of what the bug is.
 
-### Actual behaviour
+**To reproduce**
+Steps to reproduce the behaviour:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
 
-{Please write here}
+**Expected behaviour**
+A clear and concise description of what you expected to happen.
 
-### Steps to reproduce
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
 
-{Please write here}
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
 
-#### Additional information
+**Smartphone (please complete the following information):**
+ - Device: [e.g. iPhone6]
+ - OS: [e.g. iOS8.1]
+ - Browser [e.g. stock browser, safari]
+ - Version [e.g. 22]
 
-Framework version: {Please write here}
+**Additional context**
+Add any other context about the problem here.