Add organization details patch and instance groups disassociate methods to api

src/api.js

@@ -70,6 +70,12 @@ class APIClient {
     return this.http.get(endpoint);
   }
 
+  updateOrganizationDetails (id, data) {
+    const endpoint = `${API_ORGANIZATIONS}${id}/`;
+
+    return this.http.patch(endpoint, data);
+  }
+
   getOrganizationInstanceGroups (id, params = {}) {
     const endpoint = `${API_ORGANIZATIONS}${id}/instance_groups/`;
 
@@ -113,6 +119,10 @@ class APIClient {
   associateInstanceGroup (url, id) {
     return this.http.post(url, { id });
   }
+
+  disassociateInstanceGroup (url, id) {
+    return this.http.post(url, { id, disassociate: true });
+  }
 }
 
 export default APIClient;