AMO OpenSearch Engine door aminomancer

Firefox can generate an AMO search engine automatically by clicking a button at the bottom of the urlbar results while on addons.mozilla.org. This addon works exactly the same way but has a better icon with context properties so it can be made to look good with both light and dark themes, rather than always being bright cyan.

Search provider details:
name: Firefox Add-ons
search_url: https://addons.mozilla.org/firefox/search
search_form: https://addons.mozilla.org/firefox/search/?q={searchTerms}
search_url_get_params: q={searchTerms}