Connect TimezonePicker/TimePicker in Availability

- create TimePicker, import and connect it in Availability to state
- create 'times' assets for TimePicker
- connect TimezonePicker to state

src/helpers/http-common.js

@@ -1,7 +1,7 @@
 import axios from 'axios';
 import { API_URL } from '../constants';
 
-const existingToken = JSON.parse(localStorage.getItem('token'));
+const existingToken = localStorage.getItem('token');
 
 export const backend = axios.create({
 	baseURL: API_URL,
@@ -11,5 +11,5 @@ export const backend = axios.create({
 });
 
 if (existingToken) {
-	backend.defaults.headers.common['Authorization'] = existingToken;
+	backend.defaults.headers.common['Authorization'] = JSON.parse(existingToken);
 }