fix: Support amp-bind alternative syntax

[hans00]

No description provided.

[codecov]

Codecov Report

Merging #85 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #85   +/-   ##
=======================================
  Coverage   68.58%   68.58%           
=======================================
  Files           4        4           
  Lines         156      156           
  Branches       41       41           
=======================================
  Hits          107      107           
  Misses         36       36           
  Partials       13       13

Impacted Files	Coverage Δ
lib/tags.js	100% <ø> (ø)	⬆️

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[farnabaz]

Thanks