[Enhancement] Add ApiClient, refactor CannedResponse (#183)

app/javascript/dashboard/api/ApiClient.js

@@ -0,0 +1,31 @@
+/* global axios */
+
+const API_VERSION = `/api/v1`;
+
+class ApiClient {
+  constructor(url) {
+    this.url = `${API_VERSION}/${url}`;
+  }
+
+  get() {
+    return axios.get(this.url);
+  }
+
+  show(id) {
+    return axios.get(`${this.url}/${id}`);
+  }
+
+  create(data) {
+    return axios.post(this.url, data);
+  }
+
+  update(id, data) {
+    return axios.patch(`${this.url}/${id}`, data);
+  }
+
+  delete(id) {
+    return axios.delete(`${this.url}/${id}`);
+  }
+}
+
+export default ApiClient;