npm update and landing page update

client/src/components/landing_page.tsx

@@ -111,8 +111,8 @@ function LandingPage() {
 learning the basics about theorem proving in Lean.
 
 This is a good first introduction to Lean!"
-        worlds="9"
+        worlds="4"
-        levels="72"
+        levels="30"
         language="English"
         />
 
@@ -128,6 +128,15 @@ Dieses Spiel führt die Grundlagen zur Beweisführung in Lean ein und schneidet
         language="German"
         />
 
+      <GameTile
+        title="NNG (OLD)"
+        gameId="g/hhu-adam/nng-old"
+        intro="The old version of the NNG copied from lean3."
+        description="This version is not maintained and might break at any point. You should play the new version instead"
+        worlds="9"
+        levels="72"
+        language="English"
+        />
     </div>
     <section>
       <div className="wrapper">

package.json

@@ -4,6 +4,7 @@
   "private": true,
   "homepage": ".",
   "dependencies": {
+    "@babel/plugin-transform-optional-chaining": "^7.23.0",
     "@emotion/react": "^11.10.5",
     "@emotion/styled": "^11.10.5",
     "@fontsource/roboto": "^4.5.8",

server/index.mjs

@@ -28,12 +28,16 @@ const games = {
         dir: "NNG4",
         queueLength: 5
     },
+    "g/hhu-adam/nng4-old": {
+        dir: "NNG4-OLD",
+        queueLength: 0
+    },
     "g/local/game": {
         dir: "game",
         queueLength: 0
     }
 }
-
+// bd91db15ea40af33155abb7be486fed1b8110c58
 const __filename = url.fileURLToPath(import.meta.url);
 const __dirname = url.fileURLToPath(new URL('.', import.meta.url));