[OpenAPI] Implemented example as per example wiki page for getting anchors based on dataspace

-moved components from cpsAdmin.yml to components.yml
-refactored variable for anchor details list in AdminRestController.java
-reintrocuded paramter for anchorsByDataspace
-refactored variables in AdminRestController.java getAnchors() to be
more intuitive
-refactored AdminRestController.java to use modelmapper and removed
extra conversion code. Also modified AdminRestControllerSpec.groovy to
use ModelMapper as Spy rather than a Mock
-added responses for getAnchor & getSchemaSet
-added javadoc for AdminRestController.java public methods
-refactored schemaDetils pararmeter from dataSpasceName to name for
CSOT tests & added some code review comments

Issue-ID: CPS-429

Change-Id: I01d4113313c9a23d9a7e0e96e46b90f9ac767f24
Signed-off-by: JosephKeenan <joseph.keenan@est.tech>
diff --git a/cps-rest/docs/openapi/components.yml b/cps-rest/docs/openapi/components.yml
index 5a21a73..a337a24 100644
--- a/cps-rest/docs/openapi/components.yml
+++ b/cps-rest/docs/openapi/components.yml
@@ -1,5 +1,20 @@
 components:
   schemas:
+
+    AnchorDetails:
+      type: object
+      title: Anchor details by anchor Name
+      properties:
+        name:
+          type: string
+          example: my_anchor
+        dataspaceName:
+          type: string
+          example: my_dataspace
+        schemaSetName:
+          type: string
+          example: my_schema_set
+
     ErrorMessage:
       type: object
       title: Error
@@ -24,6 +39,35 @@
           format: binary
           example: http://example.com/examples/example.yang
 
+    ModuleReferences:
+      type: object
+      title: Module reference object
+      properties:
+        name:
+          type: string
+          example: module_reference_name
+        namespace:
+          type: string
+          example: module_reference_namespace
+        revision:
+          type: string
+          example: module_reference_revision
+
+    SchemaSetDetails:
+      type: object
+      title: Schema set details by dataspace and schemasetName
+      properties:
+        dataspaceName:
+          type: string
+          example: my_dataspace
+        moduleReferences:
+          type: array
+          items:
+            $ref: '#/components/schemas/ModuleReferences'
+        name:
+          type: string
+          example: my_schema_set
+
   parameters:
     dataspaceNameInQuery:
       name: dataspace-name