Also ran gofmt on everything. Thanks again @paralin. #334

Co-authored-by: Christian Stewart <christian@paral.in>

Closes #220 and #230

Closes #166

See https://github.com/agnivade/wasmbrowsertest/issues/15

It's more clear than * as an origin pattern.

Closes #223

Updates #209

Closes #199

Much simpler config. Github Actions just isn't there yet.

https://github.com/nhooyr/websocket/runs/449477040 seems to have timed
out.

See https://github.com/nhooyr/websocket/issues/182