Add page-tools library

[silesky]

This page-tools library is required in order to have something for signals consume, without making analytics-next a dependency of signals. This is a requirement for granular navigation work we want to do for signals.

[changeset-bot]

🦋 Changeset detected

Latest commit: 3920a8c

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@segment/analytics-next	Minor
@segment/analytics-page-tools	Major

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.84%. Comparing base (bc32a3d) to head (3920a8c).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1271      +/-   ##
==========================================
+ Coverage   83.80%   83.84%   +0.04%     
==========================================
  Files         222      223       +1     
  Lines        5890     5906      +16     
  Branches     1346     1346              
==========================================
+ Hits         4936     4952      +16     
  Misses        954      954              

Flag	Coverage Δ
browser	92.16% <100.00%> (-0.12%)	⬇️
core	89.86% <ø> (ø)
node	87.93% <ø> (ø)

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