Add item bookmark buttons (#14)

Implemented as a toggle button

- Move init_cap func where web can see it
- Bump version to alpha7

src/public/feed/items.php

@@ -67,6 +67,7 @@ if ($type == TYPE_ALL) { ?>
         while ($item) { ?>
             <p><?=hx_get("/item?id={$item['id']}&from=$thisURL", strip_tags($item['title']))?><br>
                 <small><?=$item['is_read'] == 0 ? '<strong>New</strong> &nbsp; ' : ''?>
+                    <?=$item['is_bookmarked'] ? '<strong>Bookmarked</strong> &nbsp; ' : ''?>
                     <em><?=date_time($item['as_of'])?></em></small><?php
             $item = $itemResult->fetchArray(SQLITE3_ASSOC);
         }