Add DuckDuckGo as search engine

tools/own_search_engines.pm

@@ -4,6 +4,7 @@
 'windowssearch\.com',
 'qwant\.com',
 'wow\.com',
+'duckduckgo\.com',
 'searches\.omiga-plus\.com',
 'buenosearch\.com',
 'searches\.vi-view\.com'
@@ -18,7 +19,8 @@
     'searches\.omiga-plus\.com', 'Omiga-plus',
     'buenosearch\.com', 'Bueno Search',
     'searches\.vi-view\.com', 'vi-view',
-    'www.sfr\.fr\/recherche\/google', 'google'
+    'www.sfr\.fr\/recherche\/google', 'google',
+    'duckduckgo\.com', 'DuckDuckGo'
     );
 
 %Own_SearchEnginesKnownUrl=(
@@ -29,7 +31,9 @@
     'WOW', 'q=',
     'Omiga-plus', 'q=',
     'Bueno Search', 'q=',
-    'vi-view', 'q='
+    'vi-view', 'q=',
+    # Know it's not good
+    'DuckDuckGo', 'q='
     );