Add GuestContext for managing guest-related state

Introduced a new GuestContext with accompanying provider to handle guest-related data, including fetching, creating, updating, and deleting guests. Integrated GuestsProvider into the application's data provider hierarchy to ensure guest data is accessible across components.

frontend/package.json

@@ -24,6 +24,7 @@
     "@radix-ui/react-select": "^2.1.6",
     "@radix-ui/react-slot": "^1.1.2",
     "@radix-ui/react-switch": "^1.1.3",
+    "@radix-ui/react-tabs": "^1.1.3",
     "@tanstack/react-query": "^5.67.1",
     "axios": "^1.8.1",
     "class-variance-authority": "^0.7.1",