Add query for allmusic.com

dotfiles/bmo/uris.ini

@@ -24,6 +24,7 @@
 
 [uris.query]
 
+    am      = http://www.allmusic.com/search/all/%s
     cd      = http://www.collinsdictionary.com/dictionary/english/%s
     d       = http://www.collinsdictionary.com/dictionary/english/%s
     dd      = http://devdocs.io/%s