feat: Configure dev server port with dev.server.port

[zizhengtai]

Added the dev.port field to InlineConfig to allow configuring the dev server port.

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[aklinker1]

Thanks for the PR! But I forgot, it's not that easy lol...

inlineConfig comes from the CLI, so as it is now, unless we add a --port CLI flag, inlineConfig.dev.port is always undefined.

All config is merged and default values are applied inside resolveConfig, then we use the resolved config everywhere (accessible via wxt.config). So we should also add the port to the ResolvedConfig type and grab it from there. BUT to resolve the config, we need the server, and to create the server, we need the port. So there's kind of a dependency loop there.

Let me refactor a little and break that loop, and I'll commit my changes to this PR.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.38%. Comparing base (c9c5d72) to head (d8ffc30).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #577      +/-   ##
==========================================
+ Coverage   86.22%   86.38%   +0.15%     
==========================================
  Files         111      111              
  Lines        8909     8937      +28     
  Branches      886      892       +6     
==========================================
+ Hits         7682     7720      +38     
+ Misses       1213     1203      -10     
  Partials       14       14              

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[aklinker1]

Alright, fixed that issue and merged your PR with the latest. I ended up putting the config under dev.server.port, instead of just dev.port.