Added Prometheus monitoring CPU and memory selector. (#1387)

* Added Prometheus monitoring CPU and memory selector.

* Minor text fixes

* Fixed memory units, improvements to get return

* Updated logic to add storageClassName to get response

* Minor fixes, removed warnings

* Removed blank entry for empty storageclassname

Co-authored-by: Daniel Valdivia <18384552+dvaldivia@users.noreply.github.com>

operatorapi/embedded_spec.go

@@ -3360,6 +3360,12 @@ func init() {
             "$ref": "#/definitions/label"
           }
         },
+        "monitoringCPURequest": {
+          "type": "string"
+        },
+        "monitoringMemRequest": {
+          "type": "string"
+        },
         "nodeSelector": {
           "type": "array",
           "items": {
@@ -7562,6 +7568,12 @@ func init() {
             "$ref": "#/definitions/label"
           }
         },
+        "monitoringCPURequest": {
+          "type": "string"
+        },
+        "monitoringMemRequest": {
+          "type": "string"
+        },
         "nodeSelector": {
           "type": "array",
           "items": {