我把您项目在vue3运行的时候，在浏览器报错误

[islomkhon]

Describe the bug
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To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
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Screenshots
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Development Environment (please complete the following information):

• Node.js: [e.g. v12.4.0]
• Vue: [e.g. v2.5.22]
• Vue Router [e.g. v3.0.1]
• Vue Router Tab [e.g. v0.2.0]

Operating Environment (please complete the following information):

• Device: [e.g. Desktop]
• OS: [e.g. Windows 10]
• Browser [e.g. stock browser, Chrome]
• Version [e.g. 75]

Additional context
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我把您项目在vue3运行的时候，在浏览器报vue-router-tab.umd.min.js?f57d:1 Uncaught (in promise) TypeError: Cannot set property '$tabs' of undefined

[bhuh12]

多谢关注，项目暂未支持 Vue3
#101