Add bookmark exports and sharing + various fixes

app/plugins/bookmarks/views/share.html

@@ -0,0 +1,19 @@
+<div class="mb-4 mt-4">
+    <div class="offset-md-1 col-10 py-3 context-main-bg">
+        <legend class="text-center">Share</legend>
+        <hr>
+        <div class="offset-3 col-lg-6 my-4">
+            <p>Any link or folder can be shared. By default, the extensions and app both default to <strong>private</strong>. On this page, you can quickly see a list of any public links and folders. These "public" items can be shared with anyone who has the link.</p>
+        </div>
+        {LOOP}
+            <div class="col-6 col-md-12">
+                {panel}
+            </div>
+        {/LOOP}
+        {ALT}
+            <div class="col-12">
+                <p class="text-center">No <strong>public</strong> folders found.</p>
+            </div>
+        {/ALT}
+    </div>
+</div>