Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/javascript/dashboard/api/captain/assistant.js

@@ -0,0 +1,26 @@
+/* global axios */
+import ApiClient from '../ApiClient';
+
+class CaptainAssistant extends ApiClient {
+  constructor() {
+    super('captain/assistants', { accountScoped: true });
+  }
+
+  get({ page = 1, searchKey } = {}) {
+    return axios.get(this.url, {
+      params: {
+        page,
+        searchKey,
+      },
+    });
+  }
+
+  playground({ assistantId, messageContent, messageHistory }) {
+    return axios.post(`${this.url}/${assistantId}/playground`, {
+      message_content: messageContent,
+      message_history: messageHistory,
+    });
+  }
+}
+
+export default new CaptainAssistant();