Feat: proper rendering of href when using useHashLocation

[molefrog]

Closes #392 #215

A long-awaited feature that makes it possible to have proper hrefs with the leading # when hash location is used. You can customise the formatter manually:

<Router hrefs={(href) => "#" + href} />

Or, it can be detected automatically when useHashLocation is used.

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[github-actions]

size-limit report 📦

Path	Size
packages/wouter/esm/index.js	2.14 KB (+1.02% 🔺)
packages/wouter/esm/use-browser-location.js	658 B (0%)
packages/wouter/esm/memory-location.js	834 B (0%)
packages/wouter/esm/use-hash-location.js	749 B (+1.63% 🔺)
packages/wouter-preact/esm/index.js	2.02 KB (+1.08% 🔺)
packages/wouter-preact/esm/use-browser-location.js	552 B (0%)
packages/wouter-preact/esm/use-hash-location.js	618 B (+1.82% 🔺)
packages/wouter-preact/esm/memory-location.js	702 B (0%)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (6815e69) to head (7546d1a).

❗ Current head 7546d1a differs from pull request most recent head 7d06bd6. Consider uploading reports for the commit 7d06bd6 to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##                v3      #421   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines            1         1           
=========================================
  Hits             1         1           

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[jeetiss]

💅