build: Add optimization-minimize flag to scripts for production (#62)

Enhanced `build` and `start` scripts in `package.json` by adding the `--optimization-minimize` flag to ensure assets are minified during production builds and server runs.

Author: warnyul

package.json

@@ -4,8 +4,8 @@
   "description": "Personal website and portfolio",
   "main": "src/index.html",
   "scripts": {
-    "build": "webpack --mode production --config webpack.config.js",
-    "start": "npx webpack serve --mode production --config webpack.config.js --stats verbose"
+    "build": "webpack --mode production --optimization-minimize --config webpack.config.js",
+    "start": "npx webpack serve --mode production --optimization-minimize --config webpack.config.js --stats verbose"
   },
   "repository": {
     "type": "git",