feat(compiler): expose register taglib api

[DylanPiercey]

Description

Exposes the taglib.register API from the new @marko/compiler api. This allows for registering global, cross translator, taglibs.

Checklist:

• I have read the CONTRIBUTING document and have signed (or will sign) the CLA.
• I have updated/added documentation affected by my changes.
• I have added tests to cover my changes.

[codecov]

Codecov Report

Merging #1583 into next will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             next    #1583   +/-   ##
=======================================
  Coverage   90.17%   90.17%           
=======================================
  Files         211      211           
  Lines        6247     6250    +3     
=======================================
+ Hits         5633     5636    +3     
  Misses        614      614           

Impacted Files	Coverage Δ
packages/compiler/src/taglib/index.js	81.81% <100.00%> (+2.87%)	⬆️

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