termine el contador de dias

src/App.svelte

@@ -1,7 +1,10 @@
 <script lang="ts">
+    import Header from "./componentes/header.svelte";
+    import CalcularDias from "./componentes/paginas/CalcularDias.svelte";
     import Tarjeta from "./componentes/tarjeta.svelte";
     import html2canvas from "html2canvas";
 
+    let pagina = $state(0);
     let issues: any[] = $state([]);
     $effect(() => {
         obtener_issues();
@@ -50,24 +53,30 @@
 </script>
 
 <main>
-    <button onclick={() => exportAllToPNG(issues)} class="btn btn-primary mt-3"
-        >Exportar a PNG</button
-    >
-    {#if issues.length == 0}
-        <p>Cargando...</p>
-    {:else}
-        <div class="d-flex justify-center flex-column align-items-center">
-            {#each issues as issue}
-                <div class="m-2 w-75">
-                    <Tarjeta {issue} />
-                    <!--
+    <Header bind:pagina></Header>
+    {#if pagina == 0}
+        <button
+            onclick={() => exportAllToPNG(issues)}
+            class="btn btn-primary mt-3">Exportar a PNG</button
+        >
+        {#if issues.length == 0}
+            <p>Cargando...</p>
+        {:else}
+            <div class="d-flex justify-center flex-column align-items-center">
+                {#each issues as issue}
+                    <div class="m-2 w-75">
+                        <Tarjeta {issue} />
+                        <!--
                     <button
                         onclick={() => exportToPNG(issue)}
                         class="btn btn-primary mt-3">Exportar a PNG</button
                     >
                     -->
-                </div>
-            {/each}
-        </div>
+                    </div>
+                {/each}
+            </div>
+        {/if}
+    {:else if pagina === 1}
+        <CalcularDias {issues} />
     {/if}
 </main>