linux cli (#11585)

- [x] Build out cli on linux
- [x] Add support for --dev-server-token sent by the CLI
- [x] Package cli into the .tar.gz
- [x] Link the cli to ~/.local/bin in install.sh

Release Notes:

- linux: Add cli support for managing zed

crates/zed/src/zed.rs

@@ -1,6 +1,7 @@
 mod app_menus;
 pub mod inline_completion_registry;
-mod only_instance;
+#[cfg(not(target_os = "linux"))]
+pub(crate) mod only_instance;
 mod open_listener;
 
 pub use app_menus::*;
@@ -12,7 +13,6 @@ use gpui::{
     actions, point, px, AppContext, AsyncAppContext, Context, FocusableView, PromptLevel,
     TitlebarOptions, View, ViewContext, VisualContext, WindowKind, WindowOptions,
 };
-pub use only_instance::*;
 pub use open_listener::*;
 
 use anyhow::Context as _;