feat(auth): create login api call with basic test coverage and msw mock

src/features/auth/model/types/service.ts

@@ -1,5 +1,16 @@
 import type { User } from "entities/User";
 
+export interface AuthData {
+  /**
+   * User's email address.
+   */
+  email: string;
+  /**
+   * User's password.
+   */
+  password: string;
+}
+
 export interface AuthResponse {
   /**
    * Access token for the authenticated user.