Add documentation (oven-sh#2148)

* Add documentation

* Tweaks

* Fixes

* Rearrange

* Update

handle more cases with util.isError

prettier deltas (oven-sh#1973)

misc wasi fixes + prettier

Update build-id

Fixes oven-sh#1928

Update transpiler.test.js

Fix crash with invalid arguments in readdir()

darken

Update html_rewriter.zig