Create accessibility-issue.md

Add template for accessibility issue

.github/ISSUE_TEMPLATE/accessibility-issue.md

@@ -0,0 +1,36 @@
+---
+name: Accessibility Issue
+about: An issue related exclusively to accessibility
+title: ''
+labels: Accessibility
+assignees: ''
+
+---
+
+## Issue Description
+// What is the nature of the issue? How does it impact users?
+
+
+## How to reproduce / Current behavior
+// Step-by-step instructions explaining how to reproduce the problem. The environment required, explicit identification of the component in question
+
+
+## What application are you using?
+ OJS version X.X.X
+
+## Stack used 
+- Device: xyz
+- OS: xyz
+- Browser: xyz
+- Version: xyz
+
+## Testing method
+- Method: (e.g. Manual; Keyboard)
+- Automated test: (e.g. tool name)
+
+## Action
+// Describe action that can be taken to remediate the issue. 
+
+
+## Additional information
+// Please add any screenshots, code snippets, or other information we can use to investigate this issue.