1. 增加 InstanceApp model 2. 增加 AddAccountView 中创建 InstanceApp 的逻辑 Signed-off-by: Ching <loooching@gmail.com>
1. 新增 AccountInfo model 2. 新增 OauthToken model 3. 新增 InstanceApp model 4. 新增 AddAccountView Signed-off-by: Ching <loooching@gmail.com>