Publication and posting. Every Zoning chapter and every amendment thereto, including any map incorporated therein, adopted pursuant to § 7-706 of the Village Law of the State of New York, shall be entered in the minutes of the Board of Trustees, and a copy thereof, exclusive of any map incorporated therein, shall be published once in the official newspaper, and a copy of such local law or amendment together with a summary or abstract of any map incorporated therein shall be posted conspicuously at or near the main entrance to the office of the Village Clerk, and affidavits of the publication and posting thereof shall be filed with the Village Clerk.