feat: Add CSAT reports (#2608)

app/javascript/dashboard/api/csatReports.js

@@ -0,0 +1,18 @@
+/* global axios */
+import ApiClient from './ApiClient';
+
+class CSATReportsAPI extends ApiClient {
+  constructor() {
+    super('csat_survey_responses', { accountScoped: true });
+  }
+
+  get({ page } = {}) {
+    return axios.get(this.url, { params: { page } });
+  }
+
+  getMetrics() {
+    return axios.get(`${this.url}/metrics`);
+  }
+}
+
+export default new CSATReportsAPI();