fix: Optimized Webpack configuration Update webpack.config.js

[mdqst]

I’ve made several improvements to the Webpack config to enhance performance and maintainability:

1. Added resolve.alias to simplify imports and speed up path resolution.
2. Optimized TerserPlugin with compress and mangle for better code compression and obfuscation.
3. Enabled filesystem caching to significantly speed up rebuilds.
4. Excluded node_modules from source-map-loader to reduce warnings and improve build speed.
5. Removed unused fallback modules to reduce bundle size.
6. Added splitChunks to improve load times by splitting the bundle into smaller chunks.
7. Optionally integrated webpack-bundle-analyzer for better bundle size insights.
8. Improved code readability and added comments for clarity.

[netlify]

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