Heavily improve codebase

src/types/VersionsConfig.ts

@@ -1,20 +0,0 @@
-export type VersionsConfigData = {
-  version: string
-  list: Record<string, number>
-  mods: Record<string, Record<string, number>>
-}
-
-export class VersionsConfig {
-  constructor (
-    public version: string,
-    public list: Record<string, number> = {},
-    public mods: Record<string, Record<string, number>> = {}
-  ) {}
-
-  static import (data: VersionsConfigData) {
-    const cfg = new VersionsConfig(data.version)
-    cfg.list = { ...data.list }
-    cfg.mods = { ...data.mods }
-    return cfg
-  }
-}