refactor(limits): server limits in one file, own texts for unknown errors

src/utils/backlog.js

@@ -1,7 +1,5 @@
 import {apiFetch} from './api.js';
-
-export const GAME_STATUSES = ['BACKLOG', 'PLAYING', 'FINISHED', 'COMPLETED', 'DROPPED'];
-export const GAME_PRIORITIES = ['HIGH', 'MEDIUM', 'LOW'];
+import {GAME_STATUSES} from './limits.js';
 
 // Radix Select has no empty value, so "no priority" needs its own value in the form.
 export const NO_PRIORITY = 'NONE';