feat: add a use cases template for github issues

.github/ISSUE_TEMPLATE/use-case.md

@@ -0,0 +1,46 @@
+---
+name: Use Case
+about: Use this template to propose an LWS use case.
+title: "[UC] <<brief description of use case>>"
+labels: triage, usecase
+
+---
+
+**As a [primary actor],**
+**I want [an action or feature],**
+**So that [a reason or benefit].**
+
+## Preconditions:
+
+*What conditions must be in place or assumed before this use case can begin?*
+
+## Trigger:
+
+*What (user or system) event or action initiates this use case?*
+
+## Actors:
+
+*Describe the primary actor, and any other relevant actors involved in this use case*
+
+## Distinction:
+
+*What unique challenges or distinguishing factors (like technical issues, user experience needs, workflow integration, etc.) are associated with this use case?*
+
+## Scenario:
+
+*Describe an ideal or happy-case scenario where this use case would play out as intended.*
+
+## Alternative case(s):
+
+*What alternative flows or variations should the system handle for this use case?*
+
+## Error scenario:
+
+*What unexpected issues or errors might arise, and how should the system handle them?*
+## Acceptance Criteria:
+
+*What conditions or criteria must be met for this use case to be considered successfully handled? What limitations are acceptable?*
+
+## References:
+
+*List any relevant resources or examples that could inform this use case, possibly from other domains or solutions.*