feat: push checkout (#14)

Reviewed-on: https://git.reya.su/reya/signed/pulls/14

crates/signed_state/Cargo.toml

@@ -8,6 +8,7 @@ publish.workspace = true
 signed_core = { path = "../signed_core" }
 signed_git = { path = "../signed_git" }
 signed_nostr = { path = "../signed_nostr" }
+settings = { path = "../settings" }
 utils = { path = "../utils" }
 
 nostr.workspace = true
@@ -24,3 +25,6 @@ log.workspace = true
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 rustls = "0.23"
+
+[dev-dependencies]
+tempfile = "3"