Add authentication api

src/api/admin.js

@@ -18,4 +18,29 @@ adminApi.install = data => {
     method: 'post'
   })
 }
+
+adminApi.login = (username, password) => {
+  return service({
+    url: `${baseUrl}/login`,
+    data: {
+      username: username,
+      password: password
+    },
+    method: 'post'
+  })
+}
+
+adminApi.logout = () => {
+  return service({
+    url: `${baseUrl}/logout`,
+    method: 'post'
+  })
+}
+
+adminApi.refreshToken = refreshToken => {
+  return service({
+    url: `${baseUrl}/refresh/${refreshToken}`,
+    method: 'post'
+  })
+}
 export default adminApi