Add Mac OS support for Apple Silicon (#770)

* Made an install script and auto updates env for mac

* GPU sensors and initial training working for MAC. Still WIP.

* Switch dataloader to single threaded until I can work around some mac pickeling issues.

* Get quantization working on mac

* Fix mac exclusive imports so they don't break other builds.

* Add mac instructions to the UI

ui/src/helpers/basic.ts

@@ -0,0 +1 @@
+export const isMac = () => (typeof window !== 'undefined' && (window as any).server_platform === 'darwin') || process.platform === 'darwin';