feat: add colorscheme to user in db (#987)

packages/definitions/src/index.ts

@@ -5,3 +5,4 @@ export * from "./widget";
 export * from "./permissions";
 export * from "./docker";
 export * from "./auth";
+export * from "./user";

packages/definitions/src/user.ts

@@ -0,0 +1,2 @@
+export const colorSchemes = ["light", "dark", "auto"] as const;
+export type ColorScheme = (typeof colorSchemes)[number];