Merged in feature/healthmove (pull request #165)

Move health endpoint from OpenAPI spec to direct implementation

* Move health endpoint from OpenAPI spec to direct implementation

- Removed HealthService tag from OpenAPI spec
- Removed /health path from OpenAPI spec
- Removed health.go and health_test.go files from api/queryAPI
- Added direct health endpoint in internal/server/api/listener.go
- Updated validator options to skip validation for the /health endpoint
- Added test for health endpoint in internal/server/api/listener_test.go
- Regenerated API code from the updated OpenAPI spec

serviceAPIs/queryAPI.yaml

@@ -27,33 +27,8 @@ tags:
     description: Operations related to exports
   - name: AuthService
     description: Operations related to authentication
-  - name: HealthService
-    description: Operations related to health
 
 paths:
-  /health:
-    get:
-      operationId: isHealthy
-      tags:
-        - HealthService
-      summary: Provide health endpoint
-      description: See if the service is up and running
-      security:
-        - {}
-      responses:
-        "200":
-          description: Healthy service.
-          headers:
-            RateLimit:
-              $ref: "#/components/headers/RateLimit"
-        "400":
-          $ref: "#/components/responses/InvalidRequest"
-        "401":
-          $ref: "#/components/responses/Unauthorized"
-        "429":
-          $ref: "#/components/responses/TooManyRequests"
-        "500":
-          $ref: "#/components/responses/InternalError"
 
   /client:
     post: