feat(freight:backoffice): added login page and basic authorization

apps/edr-freight-web/backoffice/src/auth/useAuth.ts

@@ -0,0 +1,13 @@
+import { useContext } from "react";
+
+import { AuthContext } from "./AuthProvider";
+
+export const useAuth = () => {
+  const context = useContext(AuthContext);
+
+  if (!context) {
+    throw new Error("useAuth must be used within AuthProvider");
+  }
+
+  return context;
+};