ui: 为使用文件IO的题目添加标记

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.29.43",
+    "version": "2.29.44",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",

packages/hydrooj/src/lib/testdataConfig.ts

@@ -36,6 +36,10 @@ export async function parseConfig(config: string | ProblemConfigFile = {}) {
         result.timeMax = result.timeMin = 1000;
     }
     if (cfg.langs) result.langs = cfg.langs;
+    if (cfg.filename && result.type === 'default') {
+        result.type = 'fileio';
+        result.subType = cfg.filename;
+    }
     return result;
 }