Desktop: Bundle for Mac and Windows (#3297)

* add bundle for mac os and windows

* Fix bundle name

This name gets used as the display name of the app on mac os, shorter name looks better and is more consistent.

* preserve std out by running bin directly

* bundle placeholder on linux

* fix linux

desktop/platform/linux/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+	graphite_desktop::start();
+}