docs: revise true color support note for MacOS (#181)

* chore: revise true color support note for MacOS


Updated note about MacOS terminal true color support, and added ghostty as an option for terminal emulator.

* simplify true color note

Co-authored-by: Uzair Aftab <48220549+Uzaaft@users.noreply.github.com>

---------

Co-authored-by: Micah Halter <micah@mehalter.com>
Co-authored-by: Uzair Aftab <48220549+Uzaaft@users.noreply.github.com>

Author: 3 people

src/content/docs/index.mdx

@@ -49,11 +49,11 @@ on the remote system.
 
 :::note
 
-<sup id="2">\[2\]</sup> When using default theme: For MacOS, the default
-terminal does not have true color support. You will need to use
-[iTerm2](https://iterm2.com/), [Kitty](https://sw.kovidgoyal.net/kitty/),
-[WezTerm](https://wezfurlong.org/wezterm/), or another [terminal
-emulator](https://github.com/termstandard/colors) that has true color support.
+<sup id="2">\[2\]</sup> When using default theme: The default MacOS terminal does not support true colors until Tahoe 26. On older versions, use
+[Ghostty](https://ghostty.org/), [iTerm2](https://iterm2.com/), [Kitty](
+https://sw.kovidgoyal.net/kitty/), [WezTerm](https://wezfurlong.org/wezterm/), 
+or another [terminal emulator](https://github.com/termstandard/colors) that 
+has true color support.
 
 :::