Create feature.md

Author: fabapp2

.github/ISSUE_TEMPLATE/feature.md

@@ -0,0 +1,12 @@
+### What needs to be done
+
+### Why it needs to be done
+
+### Acceptance Criteria
+
+/info panel
+**Given** precondition
+**When** action
+**Then** result
+
+### Additional Information