Enhance feature request template with priority and workarounds

Added priority and workaround sections to feature request template.

Author: tmlsousa

.github/ISSUE_TEMPLATE/feature_request.md

@@ -8,13 +8,19 @@ assignees: ''
 ---
 
 **Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+A clear and concise description of what the problem is. Ex. When I try X [...]
+
+**Priority you would assign to the feature**
+Choose between High, Medium, Low.
 
 **Describe the solution you'd like**
 A clear and concise description of what you want to happen.
 
 **Describe alternatives you've considered**
 A clear and concise description of any alternative solutions or features you've considered.
 
+**Available workarounds**
+Are there any available workarounds in case this feature does not get picked up?
+
 **Additional context**
 Add any other context or screenshots about the feature request here.