Move issue and PR templates, fix checkboxes

Signed-off-by: Dan Yeaw <dan@yeaw.me>

.github/ISSUE_TEMPLATE.md

@@ -3,22 +3,21 @@ PLEASE HELP US PROCESS GITHUB ISSUES FASTER BY PROVIDING THE FOLLOWING INFORMATI
 ISSUES MISSING IMPORTANT INFORMATION MAY BE CLOSED WITHOUT INVESTIGATION.
 -->
 
-## I'm submitting a...
-<pre><code>
-[ ] Bug report  <!-- Please search GitHub for a similar issue or PR before submitting -->
-[ ] Feature request
-[ ] Documentation issue or request
-</code></pre>
 
-## Current behavior
+### I'm submitting a...
+- [ ] Bug report  <!-- Please search GitHub for a similar issue or PR before submitting -->
+- [ ] Feature request
+- [ ] Documentation issue or request
+
+### Current behavior
 <!-- Describe how the issue manifests. -->
 
 
-## Expected behavior
+### Expected behavior
 
-## Minimal reproduction of the problem with instructions
+### Minimal reproduction of the problem with instructions
 
-## If this is a feature request please fill out the following:
+### If this is a feature request please fill out the following:
 <pre><code>
 As a (user, developer, contributor, etc):
 I want:
@@ -26,8 +25,7 @@ So that:
 <!-- Describe the motivation or the concrete use case. -->
 </code></pre>
 
-## System Information
-<pre><code>
+### System Information
 OS:
 - [ ] Linux (Please put in notes the specific distro)
 - [ ] MacOS
@@ -35,4 +33,3 @@ OS:
 - [ ] Windows 7
 
 NOTES:
-</code></pre>

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,35 +1,34 @@
-## PR Checklist
+<!-- Please add an overview of the PR here -->
+
+
+### PR Checklist
 Please check if your PR fulfills the following requirements:
 
 - [ ] I have read, and am following the [Contributer guide](https://github.com/gaphor/gaphor/blob/master/CONTRIBUTING.md)
 - [ ] I have read and understand the [Code of Conduct](https://github.com/gaphor/gaphor/blob/master/CODE_OF_CONDUCT.md)
 
-## PR Type
+### PR Type
 What kind of change does this PR introduce?
 
 <!-- Please check the one that applies to this PR using "x". -->
-```
-[ ] Bugfix
-[ ] Feature
-[ ] Code style update (formatting, local variables)
-[ ] Refactoring (no functional changes, no api changes)
-[ ] Documentation content changes
-```
+- [ ] Bugfix
+- [ ] Feature
+- [ ] Code style update (formatting, local variables)
+- [ ] Refactoring (no functional changes, no api changes)
+- [ ] Documentation content changes
 
-## What is the current behavior?
+### What is the current behavior?
 <!-- Please describe the current behavior that you are modifying, or link to a relevant issue. -->
 
 Issue Number: N/A
 
-## What is the new behavior?
+### What is the new behavior?
 
-## Does this PR introduce a breaking change?
-```
-[ ] Yes
-[ ] No
-```
+### Does this PR introduce a breaking change?
+- [ ] Yes
+- [ ] No
 
 <!-- If this PR contains a breaking change, please describe the impact and migration path for existing applications below. -->
 
 
-## Other information
+### Other information