fix(types): missing property "content" of MetaPropertyEquiv

[SilentDepth]

According to MDN and WHATWG, a <meta http-equiv> should contain a content attribute and no name attribute. The MetaPropertyEquiv interface seems wrong about this case and this PR is going to fix the issue.

Closes #435.

[codecov]

Codecov Report

Merging #436 into master will not change coverage.
The diff coverage is n/a.

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  Coverage     100%   100%           
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  Files          34     34           
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  Hits          547    547

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[codecov]

Codecov Report

Merging #436 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #436   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          34     34           
  Lines         547    547           
  Branches      153    153           
=====================================
  Hits          547    547

---

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[codecov]

Codecov Report

Merging #436 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #436   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          34     34           
  Lines         547    547           
  Branches      153    153           
=====================================
  Hits          547    547

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #436 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #436   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          34     34           
  Lines         547    547           
  Branches      153    153           
=====================================
  Hits          547    547

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[pimlie]

Thanks!

[HerrBertling]

Shouldn't this have been a breaking change?

This changes the API of vue-meta and people using this would have broken http-equiv meta tags when updating without active switch from name to content.

[pimlie]

@HerrBertling but it wasnt valid html anyway? Also it shouldnt break anything in most cases because the base MetaDataProperty has a [key: string]: any type property

[HerrBertling]

Ah, okay :) Thanks!