Moved to Angular v20 and Tailwind v4 plus all related dependencies

Renamed Docker directory.

Also serving static files from FastAPI.

overlord/.prettierrc.js

@@ -3,5 +3,5 @@ module.exports = {
   semi: true,
   singleQuote: true,
   bracketSpacing: true,
-  printWidth: 120
+  printWidth: 120,
 };