working on wiki index

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

frontend/src/App.svelte

@@ -32,6 +32,7 @@
     import ViewDoc     from "./routes/document/View.svelte";
     import ViewPrj     from "./routes/project/View.svelte";
     import ViewTask    from "./routes/task/View.svelte";
+    import WikiIndex   from "./routes/wiki/Index.svelte";
 
     let translations_ready = $state(false);
 
@@ -87,6 +88,7 @@
         <Route path="/user/:user_id/edit"          component={EditUser} />
         <Route path="/user/oidc/add"               component={EditService} />
         <Route path="/user/oidc/edit/:serviceName" component={EditService} />
+        <Route path="/wiki"                        component={WikiIndex} />
         <Route>
             Not found!
         </Route>

frontend/src/routes/wiki/Index.svelte

@@ -0,0 +1,37 @@
+<script>
+    import { onMount }  from 'svelte';
+    import { api }      from '../../urls.svelte';
+    import { t }        from '../../translations.svelte';
+
+    let error = $state(null);
+    let pages = $state(null);
+    let lastLetter = null;
+
+    async function loadPageList(){
+        const url = api('wiki');
+        const res = await fetch(url,{credentials:'include'});
+        if (res.ok){
+            pages = await res.json();
+        } else {
+            error = await res.text();
+        }
+    }
+
+    onMount(loadPageList);
+</script>
+
+{#if error}
+<span class="error">{error}</span>
+{/if}
+<h1>{t('wiki')}</h1>
+{#if pages}
+{#each pages as page}
+{#if page.charAt(0).toUpperCase() != lastLetter}
+
+<h2>{lastLetter = page.charAt(0).toUpperCase()||page.charAt(0).toUpperCase()}</h2>
+{/if}
+<div>
+<a href={`/wiki/${page}/view`}>{page}</a>
+</div>
+{/each}
+{/if}