chore: add helix-api and workspace config to monorepo

helix-api/docs/openapi/openapi.yaml

@@ -0,0 +1,32 @@
+openapi: 3.1.0
+info:
+  title: Helix API
+  version: 0.1.0
+  description: |
+    Initial OpenAPI skeleton.
+    Maintain this file manually.
+servers:
+  - url: http://localhost:5000
+    description: Local development
+paths:
+  /health:
+    get:
+      summary: Health check
+      operationId: healthCheck
+      tags:
+        - System
+      responses:
+        '200':
+          description: Service is available
+          content:
+            application/json:
+              schema:
+                type: object
+                properties:
+                  status:
+                    type: string
+                    example: ok
+                required:
+                  - status
+components:
+  securitySchemes: {}