Button 및 Input 컴포넌트를 atoms 디렉터리로 이동 및 리팩토링

src/lib/components/atoms/buttons/TextButton.svelte

@@ -0,0 +1,19 @@
+<script lang="ts">
+  import type { Snippet } from "svelte";
+
+  interface Props {
+    children?: Snippet;
+    onclick?: () => void;
+  }
+
+  let { children, onclick }: Props = $props();
+</script>
+
+<button
+  onclick={onclick && (() => setTimeout(onclick, 100))}
+  class="text-sm font-medium text-gray-800 underline underline-offset-2 active:rounded-xl active:bg-gray-100"
+>
+  <div class="h-full p-1 transition active:scale-95">
+    {@render children?.()}
+  </div>
+</button>