feat: Add "Requests" filter option for package name

- Add package name textbox for filtering requests (with auto-suggest)
- Make "x pending requests" a link for TU/Dev on the package details page

Signed-off-by: moson-mo <mo-son@mailbox.org>

static/js/typeahead-requests.js

@@ -0,0 +1,6 @@
+document.addEventListener('DOMContentLoaded', function() {
+    const input = document.getElementById('id_filter_pkg_name');
+    const form = document.getElementById('todolist_filter');
+    const type = 'suggest-pkgbase';
+    typeahead.init(type, input, form);
+});