Improvements here

src/types/VersionsConfig.ts

@@ -1,17 +1,20 @@
 export type VersionsConfigData = {
   version: string
   list: Record<string, number>
+  mods: Record<string, string>
 }
 
 export class VersionsConfig {
   constructor (
     public version: string,
-    public list: Record<string, number> = {}
+    public list: Record<string, number> = {},
+    public mods: Record<string, string> = {}
   ) {}
 
   static import (data: VersionsConfigData) {
     const cfg = new VersionsConfig(data.version)
     cfg.list = { ...data.list }
+    cfg.mods = { ...data.mods }
     return cfg
   }
 }