feature: add Ghostty to Linux terminals (#2138)

Co-authored-by: Jade <dev@beingpresent.me>

Author: goto-dev-null

src/Models/ShellOrTerminal.cs

@@ -60,6 +60,7 @@ static ShellOrTerminal()
                     new ShellOrTerminal("foot", "Foot", "foot"),
                     new ShellOrTerminal("wezterm", "WezTerm", "wezterm", "start --cwd ."),
                     new ShellOrTerminal("ptyxis", "Ptyxis", "ptyxis", "--new-window --working-directory=."),
+                    new ShellOrTerminal("ghostty", "Ghostty", "ghostty"),
                     new ShellOrTerminal("kitty", "kitty", "kitty"),
                     new ShellOrTerminal("custom", "Custom", ""),
                 };