dev: Improvements to build scripts (#232)

* dev: make sure that stuff is building properly

* chore: changelog

* remove npx

package.json

@@ -17,9 +17,10 @@
   "devDependencies": {
     "cssnano": "^7.0.6",
     "cssnano-preset-advanced": "^7.0.6",
+    "esbuild": "^0.25.2",
     "postcss-cli": "^11.0.1",
     "postcss-import": "^16.1.0",
     "postcss-import-url": "^7.2.0",
     "postcss-url": "^10.1.3"
   }
-}
+}