Update the github templates

ISSUE_TEMPLATE.md → .github/ISSUE_TEMPLATE/bug_report.md

@@ -1,3 +1,9 @@
+---
+name: Bug report
+about: Create a report to help us improve the project
+
+---
+
 One line summary of the issue here.
 
 ### Expected behavior

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,21 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+
+---
+
+### 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 [...]
+
+### 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.
+
+### Additional context
+
+Add any other context or screenshots about the feature request here.

PULL_REQUEST_TEMPLATE.md → .github/PULL_REQUEST_TEMPLATE.md

@@ -1,15 +1,17 @@
-Problem
+### Problem
 
 Explain the context and why you're making that change.  What is the
 problem you're trying to solve? In some cases there is not a problem
 and this can be thought of being the motivation for your change.
 
-Solution
+### Solution
 
 Describe the modifications you've done.
 
-Result
+### Result
 
 What will change as a result of your pull request? Note that sometimes
 this section is unnecessary because it is self-explanatory based on
 the solution.
+
+If you changed the UI, please include screenshots.