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/paths/src/paths.rs

@@ -417,6 +417,14 @@ pub fn local_vscode_launch_file_relative_path() -> &'static Path {
     Path::new(".vscode/launch.json")
 }
 
+pub fn user_ssh_config_file() -> PathBuf {
+    home_dir().join(".ssh/config")
+}
+
+pub fn global_ssh_config_file() -> &'static Path {
+    Path::new("/etc/ssh/ssh_config")
+}
+
 /// Returns the path to the vscode user settings file
 pub fn vscode_settings_file() -> &'static PathBuf {
     static LOGS_DIR: OnceLock<PathBuf> = OnceLock::new();