Update keywords.txt

Author: leonardocavagnis

keywords.txt

@@ -13,8 +13,8 @@ Arduino_GigaDisplayTouch KEYWORD1
 begin	KEYWORD2
 end	    KEYWORD2
 
-detect  KEYWORD2
-attach  KEYWORD2
+getTouchPoints  KEYWORD2
+onDetect  KEYWORD2
 
 ##################################################
 # Constants
@@ -24,4 +24,4 @@ GT911_I2C_ADDR_BA_BB    LITERAL1
 GT911_I2C_ADDR_28_29    LITERAL1
 
 GT911_CONTACT_SIZE      LITERAL1
-GT911_MAX_CONTACTS      LITERAL1
+GT911_MAX_CONTACTS      LITERAL1