fix(goreleaser): add version prefix

fix: ensure dir for update state file exists

chore: update go.sum

build: add windows releases

chore: update go.sum

chore: update go.sum

fix: do not treat absent default config as error (#87)

Fixes #86

No tests added as the underlying logic will be rewritten soon.

fix: update go.sum

feat: improve skeleton show output

handle `~` in local repo paths (#41)

This adds code to resolve `~` in local paths to the user's home
directory. It also ensures that the user's home dir is replaced with `~`
in the output of `repository list` and `skeleton list` to make paths
shorter.