feat(mailchimp): add mailchimp integration

packages/backend/src/apps/mailchimp/common/get-current-user.js

@@ -0,0 +1,18 @@
+const getCurrentUser = async ($) => {
+  const { data: currentUser } = await $.http.get(
+    'https://login.mailchimp.com/oauth2/metadata',
+    {
+      headers: {
+        Authorization: `OAuth ${$.auth.data.accessToken}`,
+      },
+      additionalProperties: {
+        skipAddingAuthHeader: true,
+        skipAddingBaseUrl: true,
+      },
+    }
+  );
+
+  return currentUser;
+};
+
+export default getCurrentUser;