Merge pull request #270 from psadi/main

Add link for Universal AppImage Distribution

docs/install/binary.mdx

@@ -219,3 +219,25 @@ sudo apt install ./ghostty_*.deb
 <Warning>
 This is a user-maintained package. It is not an official Ubuntu package.
 </Warning>
+
+### Universal AppImage
+
+Ghosty is available as a Universal AppImage from
+[ghostty-appimage](https://github.com/psadi/ghostty-appimage) on GitHub.
+Upon downloading the `.appimage` file from the
+[Releases](https://github.com/psadi/ghostty-appimage/releases) page, follow the
+below instructions:
+
+```bash
+chmod +x Ghostty-x86_64.AppImage
+./Ghostty-x86_64.AppImage
+```
+
+Alternatively, setup can be done graphically by right-clicking
+the `Ghostty-x86_64.AppImage` file, selecting **Properties**, navigating to
+the **Permissions** tab and checking the box that says **Executable as
+Program**.
+
+<Warning>
+This is a user-maintained AppImage. It is not an official AppImage.
+</Warning>