shared: schema: split enums from schemas

Otherwise zod will be included in client dependency graph and
increase the bundle size by 10kB unnecessarily.

shared/schema/constants/Auth.ts

@@ -0,0 +1,5 @@
+// eslint-disable-next-line import/prefer-default-export
+export enum AccessLevel {
+  USER = 5,
+  ADMINISTRATOR = 10,
+}

shared/schema/constants/ClientConnectionSettings.ts

@@ -0,0 +1,2 @@
+// eslint-disable-next-line import/prefer-default-export
+export const SUPPORTED_CLIENTS = ['qBittorrent', 'rTorrent'] as const;