feat(rules): new rule `attr-spacing` requiring attributes to be separated by whitespace

fixes #105
14 jobs for feature/issue-105-attr-spacing in 11 minutes and 2 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Prepare
passed #1028348532
NPM

00:02:56

 
  Build
passed #1028348533
Build

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  Test
passed #1028348537
Changelog

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Docs

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ESLint

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passed #1028348539
Jest

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98.36%
passed #1028348540
Prettier

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passed #1028348534
gemnasium-dependency_scanning

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passed #1028348536
license_scanning

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passed #1028348535
retire-js-dependency_scanning

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  Compatibility
passed #1028348542
Node 10.x (LTS)

00:06:09

passed #1028348543
Node 12.x (LTS)

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passed #1028348544
Node 14.x (LTS)

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passed #1028348545
Node 15.x (current)

00:06:21