Add a way to import ssh host names from the ssh config (#30926)

Closes https://github.com/zed-industries/zed/issues/20016

Use `"read_ssh_config": false` to disable the new behavior.

Release Notes:

- Added a way to import ssh host names from the ssh config

---------

Co-authored-by: Cole Miller <m@cole-miller.net>

crates/recent_projects/src/recent_projects.rs

@@ -1,6 +1,8 @@
 pub mod disconnected_overlay;
 mod remote_servers;
+mod ssh_config;
 mod ssh_connections;
+
 pub use ssh_connections::{is_connecting_over_ssh, open_ssh_project};
 
 use disconnected_overlay::DisconnectedOverlay;