adding scalajs & laminar

https://www.scala-js.org/doc/tutorial/laminar.html

package-lock.json

@@ -8,6 +8,7 @@
       "name": "planning-poker-grargh",
       "version": "0.0.0",
       "devDependencies": {
+        "@scala-js/vite-plugin-scalajs": "^1.0.0",
         "vite": "^4.3.0"
       }
     },
@@ -363,6 +364,15 @@
         "node": ">=12"
       }
     },
+    "node_modules/@scala-js/vite-plugin-scalajs": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@scala-js/vite-plugin-scalajs/-/vite-plugin-scalajs-1.0.0.tgz",
+      "integrity": "sha512-QqeOXFWiwZyl4LrtAg7ZMeoShVWTD+4qcmuv0M7QNCu8QYzf+h3ysozbmyWYJKVpxJYMLnuSZZSiygD8Tzh+eg==",
+      "dev": true,
+      "dependencies": {
+        "vite": "^4.1.4"
+      }
+    },
     "node_modules/esbuild": {
       "version": "0.17.17",
       "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.17.17.tgz",