Implement safe password-store repository core (#3)

Cargo.toml

@@ -14,6 +14,8 @@ edition = "2024"
 rust-version = "1.92"
 
 [workspace.dependencies]
+cap-std = "4.0"
+cap-tempfile = "4.0"
 clap = { version = "4.6", features = ["derive"] }
 crossterm = "0.29"
 iced = "0.14"
@@ -24,3 +26,4 @@ shlex = "1.3"
 toml = "0.9"
 uniffi = "0.32"
 url = { version = "2.5", default-features = false }
+zeroize = "1.8"