Working user and link list, (big)restructure

This is now a workspace consisting of:
  * the pslink app (a wasm frontend for the admin interface)
  * the pslink binary
  * shared - modules for communication between the two above.

pslink/templates/edit_link.html

@@ -0,0 +1,28 @@
+{% extends "admin.html" %}
+
+{% block admin %}
+<div class="center">
+    <h1>{{ fluent(key="edit-link-headline", lang=user.language, linktitle=link.title) }}</h1>
+    <form action="" method="POST">
+        <div>
+            <label for="title">{{ fluent(key="link-description", lang=user.language) }}:</label>
+            <input type="text" name="title" value="{{ link.title }}">
+        </div>
+        <div>
+            <label for="target">{{ fluent(key="link-target", lang=user.language) }}:</label>
+            <input type="text" name="target" value="{{link.target}}">
+        </div>
+        <div>
+            <label for="code">{{ fluent(key="link-code", lang=user.language) }}:</label>
+            <input type="text" name="code" value="{{link.code}}">
+        </div>
+        <div class="actions danger">
+            <h2>{{ fluent(key="danger-zone", lang=user.language) }}</h2>
+            <h3>{{ fluent(key="danger-zone-text", lang=user.language) }}</h3>
+            <input type="submit" value='{{ fluent(key="save-edits", lang=user.language) }}'>
+            <a class="button" href="/admin/delete/link/{{link.code}}">{{ fluent(key="delete-link", lang=user.language)
+                }}</a>
+        </div>
+    </form>
+</div>
+{% endblock %}