judge&ui: optimize bundle size

packages/hydrojudge/.npmignore

@@ -0,0 +1,2 @@
+vendor/testlib/tests
+node_modules

packages/hydrojudge/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "3.0.2",
+    "version": "3.0.3",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",