dev: minor cleanups (go-simpler#64)

feat: support prefixes for nested structs (go-simpler#53)

chore: downgrade Go to 1.20 (go-simpler#51)

chore: migrate to a vanity import path (go-simpler#26)

test: use assert installer (go-simpler#25)

chore: migrate to go-simpler (go-simpler#24)

feat: loading from multiple providers (go-simpler#18)

docs: apply 1.19 godoc formatting (go-simpler#16)

feat: strict mode (go-simpler#13)

feat: `default` struct tag (go-simpler#11)