* bskyweb: Makefile and dev env
This matches the setup for local dev testing in atproto and indigo
repos.
* gitignore: don't ignore self and .github/
* CI: golang build+test and lint actions
* bskyweb: better use of godotenv
A recent change from indigo.
* prettier: ignore top-level app.json
* CI: bump from golang 1.19 to 1.20
* bskyweb: update to golang 1.20
bnewbold
Samuel Newman