[Web] Add Netfilter unban all button

data/web/lang/lang.en-gb.json

@@ -485,6 +485,7 @@
         "ui_theme_default": "Default",
         "ui_theme_info": "Themes are folders in <code>data/web/css/themes/&lt;name&gt;/</code> with the following files:<ul class=\"mb-0\"><li><code>theme.css</code> (required)</li><li><code>dark.css</code> (optional, dark mode)</li><li><code>bootstrap.css</code> (optional, replaces the Bootstrap base theme)</li><li><code>theme.json</code> (optional, <code>name</code> and <code>description</code>)</li></ul>",
         "ui_theme_none": "No themes found.",
+        "unban_all": "Unban all",
         "unban_pending": "unban pending",
         "unchanged_if_empty": "If unchanged leave blank",
         "upload": "Upload",