issue templates: add compatibility issue template

.github/ISSUE_TEMPLATE/bug-report.md

@@ -1,6 +1,6 @@
 ---
 name: Bug report
-about: Bug report
+about: General bug report
 title: "[Bug]"
 labels: ''
 assignees: ''

.github/ISSUE_TEMPLATE/compatibility-issue.md

@@ -0,0 +1,19 @@
+---
+name: Compatibility issue
+about: Report an issue with a specific application or window
+title: "[Compatibility]"
+labels: ''
+assignees: ''
+
+---
+
+Karousel version:
+Plasma version:
+X11 / Wayland:
+
+Window class:
+Window caption (title):
+Window type:
+(Get this info [here](https://github.com/peterfajdiga/karousel/wiki/Getting-window-info))
+
+Description: