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

src/features/auth/api/calls/login/constants.ts

@@ -0,0 +1,6 @@
+export const LOGIN_API_ROUTE = "auth/login";
+
+// MOCKS
+export const MOCK_EMAIL = "test@test.com";
+export const MOCK_PASSWORD = "password";
+export const MOCK_TOKEN = "mock.access.token";