initialize spec macro and standards

Signed-off-by: Onur Özkan <work@onurozkan.dev>

kaptan-spec/tests/ui/flight_core_contract.v0.1.0.spec.md

@@ -0,0 +1,10 @@
+---
+title: Flight core contract
+status: in-progress
+owners:
+  - Test Name <name@test.com>
+---
+
+# Summary
+
+Minimal spec for compile-time linkage testing.