adding display for wiki pages to tag/uses

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

frontend/src/routes/tags/Reference.svelte

@@ -44,9 +44,11 @@
 <hr/>
 {:else if module=='task' || module=='project'}
 <span onclick={go}>{object.name}</span>
+{:else if module=='wiki'}
+<span onclick={go}>{object.title}</span>
 {:else if module=='document'}
 <span onclick={go}>{t(object.type)} ${object.number} (${object.customer.name.split('\n')[0]})</span>
 {:else}
-No display defined in Reference.svelte for entities of type {module}.
+<span class="error">No display defined in Reference.svelte for entities of type {module}.</span>
 {/if}
 {/if}