Enabled recommended-requiring-type-checking as result type fixes provided (#632)

* Enabled recommended-requiring-type-checking

* from .cjs to .js

* check

* check

* check

* check

* A lot of types aligned and refactored

* More strict types

* Improvement

* Improvements

* Improvements

* Fixed routs

* Fixed import types

frontend/src/components/Button.tsx

@@ -12,7 +12,7 @@
  *
  *
  */
-import { HTMLAttributes, JSX, ReactNode } from "react";
+import type { HTMLAttributes, JSX, ReactNode } from "react";
 
 // this is a type declaration for the action prop.
 // it is a function that takes a string as an argument and returns void.