fix: Revert all that ESM stuff, Node 22/23 fixes everything

apps/backend/project.json

@@ -16,7 +16,7 @@
         "tsConfig": "apps/backend/tsconfig.app.json",
         "assets": ["apps/backend/src/assets"],
         "generatePackageJson": true,
-        "webpackConfig": "apps/backend/webpack.config.cjs"
+        "webpackConfig": "apps/backend/webpack.config.js"
       },
       "configurations": {
         "development": {

apps/backend/webpack.config.js

@@ -0,0 +1,13 @@
+const { composePlugins, withNx} = require('@nx/webpack');
+
+// Nx plugins for webpack.
+module.exports = composePlugins(
+  withNx({
+    target: 'node',
+  }),
+  (config) => {
+    // Update the webpack config as needed here.
+    // e.g. `config.plugins.push(new MyPlugin())`
+    return config;
+  }
+);

package.json

@@ -2,7 +2,6 @@
   "name": "apollusia",
   "version": "0.0.0",
   "license": "MIT",
-  "type": "module",
   "scripts": {
     "serve:frontend": "nx serve frontend",
     "serve:backend": "nx serve backend",