feature：代码初始化。

src/utils/auth.js

@@ -0,0 +1,29 @@
+import Cookies from 'js-cookie'
+
+const TokenKey = 'SmartLight'
+
+const ExpiresInKey = 'SmartLight-Expires-In'
+
+export function getToken() {
+  return Cookies.get(TokenKey)
+}
+
+export function setToken(token) {
+  return Cookies.set(TokenKey, token)
+}
+
+export function removeToken() {
+  return Cookies.remove(TokenKey)
+}
+
+export function getExpiresIn() {
+  return Cookies.get(ExpiresInKey) || -1
+}
+
+export function setExpiresIn(time) {
+  return Cookies.set(ExpiresInKey, time)
+}
+
+export function removeExpiresIn() {
+  return Cookies.remove(ExpiresInKey)
+}