feat: out-of-box experience (#2)

Reviewed-on: https://git.reya.su/reya/signed/pulls/2

desktop/Cargo.toml

@@ -9,12 +9,19 @@ name = "signed"
 path = "src/main.rs"
 
 [dependencies]
+assets = { path = "../crates/assets" }
+paths = { path = "../crates/paths" }
+signed_state = { path = "../crates/signed_state" }
+workspace = { path = "../crates/workspace" }
+
 gpui.workspace = true
 gpui_platform.workspace = true
 gpui_linux.workspace = true
 gpui_windows.workspace = true
 gpui_macos.workspace = true
+dock = { workspace = true }
 gpui-component.workspace = true
 reqwest_client.workspace = true
 log.workspace = true
+tracing.workspace = true
 tracing-subscriber.workspace = true