github issue templates - use comment blocks for instructions

As users sometimes tend not to remove the intsruction messages...

.github/ISSUE_TEMPLATE/bug_report.md

@@ -7,14 +7,24 @@ assignees: ''
 
 ---
 
-Replace this text describing what problem occurred and what you expected to happen instead.
+**Error Description and Steps to Reproduce**
+
+<!--
+Describe what problem occurred and what you expected to happen instead.
 
 1. To reproduce this, open file '...'
 2. Click on '....'
 3. See error
+-->
 
 **Attachments**
+
+<!--
 If applicable, add screenshots to help explain your problem. Please also drag-drop any files necessary to show the error (rename the file extension from .ifc to .txt to upload). Private files can be uploaded to https://ifcopenshell.org/upload.html - only viewed by core developers and will be deleted afterwards.
+-->
 
 **Debug information**
+
+<!--
 If this is in Bonsai, paste the output from the Copy Debug Information option in Bonsai. It can be found under Quality and Coordination -> Quality Control -> Debug. If this is a general software issue, if relevant include details about IfcOpenShell version, operating system, Python version, etc.
+-->

.github/ISSUE_TEMPLATE/feature_request.md

@@ -7,4 +7,9 @@ assignees: ''
 
 ---
 
-Replace this text and describe a feature you'd like us to add. If it's not obvious, explain why this feature is awesome. Note that feature requests must be specific and measurable.
+
+**Feature Description**
+
+<!--
+Describe a feature you'd like us to add. If it's not obvious, explain why this feature is awesome. Note that feature requests must be specific and measurable.
+-->