Sailboat Electric Diagram>sailboat Where Can I Find Help On Wiring Holiday Lights On My 17ft Sailboat?

Where can I find help on wiring holiday lights on my 17ft sailboat? - sailboat electric diagram>sailboat

I currently use a 370 amp deep cycle batteries, electric motor, the run led to the dock. I want to run the Christmas lights of the shrouds on the mast. Can I charge the same battery? How would I me over the wiring from the beginning. Suggestions and proposals, where to start?
Thank you and Happy Holidays.
J