Implement embedded HTTPS Git synchronization

Cargo.toml

@@ -18,13 +18,18 @@ cap-std = "4.0"
 cap-tempfile = "4.0"
 clap = { version = "4.6", features = ["derive"] }
 crossterm = "0.29"
+flate2 = "1.1"
+gix = { version = "0.86", default-features = false, features = ["blocking-http-transport-reqwest-rust-tls", "index", "merge", "revision", "sha1", "tree-editor"] }
+gix-config = "0.59"
 iced = "0.14"
 ironstorage = { path = "crates/storage" }
 pgp = { version = "0.20", default-features = false }
 rand = "0.8"
 regex = "1.13"
+reqwest = { version = "0.13", default-features = false, features = ["blocking", "rustls"] }
 ratatui = { version = "0.30", default-features = false, features = ["crossterm_0_29", "layout-cache", "macros", "underline-color"] }
 serde = { version = "1", features = ["derive"] }
+sha1 = "0.10"
 shlex = "1.3"
 toml = "0.9"
 uniffi = "0.32"