[godot] Fix pre-built binary links in README.md

spine-godot/README.md

@@ -28,10 +28,10 @@ spine-godot works with the latest stable Godot 3.4 release. It requires compilat
 
 We provide prebuilt Godot editor and export template binaries for Godot 3.4.4-stable:
 
-* [Godot Editor Windows]()
-* [Godot Editor Linux]()
-* [Godot Editor macOS]()
-* [Godot export templates for Windows, Linux, macOS, Web, Android, iOS]()
+* [Godot Editor Windows](https://spine-godot.s3.eu-central-1.amazonaws.com/4.2-beta/3.4.4-stable/godot-editor-windows.zip)
+* [Godot Editor Linux](https://spine-godot.s3.eu-central-1.amazonaws.com/4.2-beta/3.4.4-stable/godot-editor-linux.zip)
+* [Godot Editor macOS](https://spine-godot.s3.eu-central-1.amazonaws.com/4.2-beta/3.4.4-stable/godot-editor-macos.zip)
+* [Godot export templates for Windows, Linux, macOS, Web, Android, iOS](https://spine-godot.s3.eu-central-1.amazonaws.com/4.2-beta/3.4.4-stable/spine-godot-templates-4.2-beta-3.4.4-stable.zip)
 
 ### Building the Godot editor and export templates locally