Add account management features and integrate Tailwind CSS typography

- Implement setAccountInTotal and deleteBudget functions in db.js
- Update budget handling in the budget server API
- Add DELETE endpoint for budget removal
- Enhance account page with delete functionality and confirmation modal
- Include @tailwindcss/typography in package.json and app.css

src/routes/account/[slug]/+page.svelte

@@ -31,6 +31,10 @@
   }
 </script>
 
+<div class="flex justify-between mb-4">
+  <h1 class="text-2xl font-bold">Account: {data.account.name}</h1>
+  </div>
+
 <h1>Transcations</h1>
 <table class="table w-full">
   <thead>