docs: add ADR template

Author: OgeonX-Ai

adr/0000-template.md

@@ -0,0 +1,37 @@
+# ADR-0000: Title
+
+## Status
+
+Proposed / Accepted / Superseded
+
+## Context
+
+What problem required a decision?
+
+## Decision
+
+What did we decide?
+
+## Alternatives considered
+
+- Option A
+- Option B
+- Option C
+
+## Consequences
+
+Positive:
+
+- 
+
+Negative:
+
+- 
+
+## Security impact
+
+## Operational impact
+
+## Rollback
+
+## References