refactor: remove counter and empty app

src/renderer/src/App.svelte

@@ -1,47 +0,0 @@
-<script lang="ts">
-  import svelteLogo from './assets/svelte.svg'
-  import viteLogo from './assets/svelte.svg'
-  import Counter from './lib/Counter.svelte'
-</script>
-
-<main>
-  <div>
-    <a href="https://vite.dev" target="_blank" rel="noreferrer">
-      <img src={viteLogo} class="logo" alt="Vite Logo" />
-    </a>
-    <a href="https://svelte.dev" target="_blank" rel="noreferrer">
-      <img src={svelteLogo} class="logo svelte" alt="Svelte Logo" />
-    </a>
-  </div>
-  <h1>Vite + Svelte</h1>
-
-  <div class="card">
-    <Counter />
-  </div>
-
-  <p>
-    Check out <a href="https://github.com/sveltejs/kit#readme" target="_blank" rel="noreferrer"
-      >SvelteKit</a
-    >, the official Svelte app framework powered by Vite!
-  </p>
-
-  <p class="read-the-docs">Click on the Vite and Svelte logos to learn more</p>
-</main>
-
-<style>
-  .logo {
-    height: 6em;
-    padding: 1.5em;
-    will-change: filter;
-    transition: filter 300ms;
-  }
-  .logo:hover {
-    filter: drop-shadow(0 0 2em #646cffaa);
-  }
-  .logo.svelte:hover {
-    filter: drop-shadow(0 0 2em #ff3e00aa);
-  }
-  .read-the-docs {
-    color: #888;
-  }
-</style>

src/renderer/src/lib/Counter.svelte

@@ -1,10 +0,0 @@
-<script lang="ts">
-  let count: number = $state(0)
-  const increment = () => {
-    count += 1
-  }
-</script>
-
-<button onclick={increment}>
-  count is {count}
-</button>