Added groups to search results

app/services/search_service.rb

@@ -16,6 +16,7 @@ class SearchService < BaseService
         results[:accounts] = perform_accounts_search! if account_searchable?
         results[:statuses] = perform_statuses_search! if full_text_searchable?
         results[:hashtags] = perform_hashtags_search! if hashtag_searchable?
+        results[:groups] = perform_groups_search!
       end
     end
   end
@@ -32,6 +33,14 @@ class SearchService < BaseService
     )
   end
 
+  def perform_groups_search!
+    Group.search_for(
+      @query.gsub(/\A#/, ''),
+      @limit,
+      @offset
+    )
+  end
+
   def perform_statuses_search!
     definition = StatusesIndex.filter(term: { searchable_by: @account.id })
                               .query(multi_match: { type: 'most_fields', query: @query, operator: 'and', fields: %w(text text.stemmed) })