client: Use rsbuild instead of webpack

Author: simnalamburt

client/.gitignore

@@ -1,4 +1,2 @@
 /node_modules/
-
-# Webpack
 /dist/

client/package.json

@@ -1,11 +1,12 @@
 {
   "scripts": {
-    "build": "webpack-cli --mode=production --progress",
-    "dev": "webpack-cli --mode=development --watch",
+    "build": "rsbuild build",
+    "dev": "rsbuild dev",
     "test": "tsc --noEmit && prettier --check .",
     "fmt": "prettier --write ."
   },
   "devDependencies": {
+    "@rsbuild/core": "^1.2.18",
     "@types/react": "^18.3.18",
     "@types/react-dom": "^18.3.5",
     "@types/react-redux": "^7.1.34",
@@ -15,9 +16,7 @@
     "mini-css-extract-plugin": "^2.9.2",
     "prettier": "^3.5.3",
     "ts-loader": "^9.5.2",
-    "typescript": "^5.8.2",
-    "webpack": "^5.98.0",
-    "webpack-cli": "^5.1.4"
+    "typescript": "^5.8.2"
   },
   "dependencies": {
     "@fortawesome/fontawesome-svg-core": "^6.7.2",