working on wiki index page and page display

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/wiki/View.svelte

@@ -0,0 +1,28 @@
+<script>
+    import { onMount } from 'svelte';
+    import { api }     from '../../urls.svelte';
+    import { t }       from '../../translations.svelte';
+
+    import Editor      from '../../Components/MarkdownEditor.svelte';
+
+    let error = $state(null);
+    let { id } = $props();
+    let page = $state(null);
+
+    async function loadPage(){
+        const url = api(`wiki/page/${id}`);
+        const res = await fetch(url,{credentials:'include'});
+        if (res.ok){
+            page  = await res.json();
+            error = null;
+        } else {
+            error = await res.text();
+        }
+    }
+
+    onMount(loadPage);
+</script>
+<h2>{id}</h2>
+{#if error}
+<span class="error">{error}</span>
+{/if}