feature/prefixes-for-partner-member-debitor-in-api (#122)

Co-authored-by: Michael Hoennig <michael@hoennig.de>
Reviewed-on: https://dev.hostsharing.net/hostsharing/hs.hsadmin.ng/pulls/122
Reviewed-by: Timotheus Pokorra <timotheus.pokorra@hostsharing.net>

src/main/resources/api-definition/api-definition.yaml

@@ -0,0 +1,22 @@
+openapi: 3.0.1
+info:
+    title: Hostsharing hsadmin-ng API
+    version: v0
+servers:
+    - url: http://localhost:8080
+      description: Local development default URL.
+
+paths:
+
+    /api/ping:
+        get:
+            tags:
+                - test
+            operationId: ping
+            responses:
+                "200":
+                    description: OK
+                    content:
+                        'application/json':
+                            schema:
+                                type: string