API Stubs

[nhooyr]

Closes #26

[nhooyr]

I settled on a combination of functional options and "data" options.

See https://news.ycombinator.com/item?id=16503839

[nhooyr]

Config structs are nice but make the default case verbose and don't read very nicely compared to a varidiac of options.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@04b7d0d). Click here to learn what that means.
The diff coverage is 0%.

@@          Coverage Diff           @@
##             master   #28   +/-   ##
======================================
  Coverage          ?    0%           
======================================
  Files             ?     6           
  Lines             ?    87           
  Branches          ?     0           
======================================
  Hits              ?     0           
  Misses            ?    87           
  Partials          ?     0

Impacted Files	Coverage Δ
ws.go	0% <0%> (ø)
statuscode.go	0% <0%> (ø)
accept.go	0% <0%> (ø)
datatype_string.go	0% <0%> (ø)
statuscode_string.go	0% <0%> (ø)
dial.go	0% <0%> (ø)

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