Create a trademark notice

According to Apache 2.0 license trademark notice was placed into the NOTICE file.

NOTICE

@@ -0,0 +1,17 @@
+                     TRADEMARK NOTICE
+
+Allegro.pl sp. z o.o. is the owner inter alia of the following
+registered and reputed trademarks:
+
+ALLEGRO EUIPO 009759788
+https://euipo.europa.eu/eSearch/#details/trademarks/009759788
+
+WWW.ALLEGRO.PL UPRP R-282691
+http://regservtd.uprp.pl/register/application?lng=de&number=Z.301617
+
+ALLEGRO UPRP R-318812
+http://regservtd.uprp.pl/register/application?lng=de&number=Z.491937
+
+All other trademarks, service marks, trade dress, and logos
+used in the source code are the trademarks, service marks, trade
+dress, and logos of their respective owners.