Cleanup: Renamed Responses to represent their response nature

ref #11 #13 #14

src/models/responses/ResponseLogout.ts

@@ -0,0 +1,12 @@
+import { IsString } from 'class-validator';
+
+/**
+ * Defines a Logout object
+*/
+export class Logout {
+  /**
+  * timestamp of logout
+  */
+  @IsString()
+  timestamp: number;
+}