gitlab support

[drom]

• [ ] make example project on gitlab.com --> https://gitlab.com/drom/wavedrom-test
• [ ] figure out all views where wavedrom should be rendered
  • [ ] core view
  • [ ] code edit preview
  • [ ] issues
  • [ ] ??
• [ ] upgrade code
• [ ] publish to chrome
• [ ] publish to firefox

[cwset]

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