refacto: rolled back to svelte 4

Author: bachrc

justfile

@@ -4,4 +4,15 @@ default:
 
 # Launches the dev server, hot reloading for changes
 dev:
-  npm run dev --host --open
+  npm run dev --host --open
+
+# builds the site for production
+build:
+  npm run build
+
+# builds and previews the website
+preview: build
+  npm run preview
+
+sloc:
+  @echo "`wc -l *.c` lines of code"