provide link to configMap from pod details

Signed-off-by: Dan Slinky <dan-slinky@cookpad.jp>

dashboard/client/api/endpoints/pods.api.ts

@@ -171,6 +171,9 @@ export class Pod extends WorkloadKubeObject {
         medium?: string;
         sizeLimit?: string;
       };
+      configMap: {
+        name: string;
+      }
       secret: {
         secretName: string;
         defaultMode: number;