chore: initial commit with existing codebase

tests/test_cli.py

@@ -0,0 +1,11 @@
+from salt import hash_password, main
+
+
+def test_main_supports_hash_shortcut() -> None:
+    assert main(["secret"]) == 0
+
+
+def test_main_verify_round_trip() -> None:
+    salt, hashed = hash_password("secret-value")
+    assert main(["verify", "secret-value", salt, hashed]) == 0
+    assert main(["verify", "wrong", salt, hashed]) == 1