Add bmo menu `query` for choosing query URL

dotfiles/bmo/menu.ini

     select_args = --split =
     consumer    = bash -
 
+[menu.query]
+
+    generator   = bmo conf -j -S -s uris.query
+    select_args = -l 20 --split = --split-field 1
+    consumer    = cat
+
 [menu.run]
 
     generator   = dmenu_path