Adds display unit preference (#938)

* Adds temperature unit preference

* add unit preferences for networking

* adds options for MB/s and bps.

* supports disk throughput unit preferences

beszel/site/src/lib/stores.ts

@@ -28,6 +28,9 @@ export const $maxValues = atom(false)
 export const $userSettings = map<UserSettings>({
 	chartTime: "1h",
 	emails: [pb.authStore.record?.email || ""],
+	temperatureUnit: "celsius",
+	networkUnit: "mbps",
+	diskUnit: "mbps",
 })
 // update local storage on change
 $userSettings.subscribe((value) => {