CCbuddy v2.0.16

What's Changed

• Add legacy native update bridge for 2.0.3–2.0.9 clients by @loadchange in #55
• Feat/UI plugin port by @loadchange in #56
• 同步上游 v3.15.1，修复回归并移除移动端远控 by @loadchange in #57
• 恢复日历和会话列表入口及原生菜单导航 by @loadchange in #58

Full Changelog: v2.0.12...v2.0.16