This chapter is enacted for the following purposes: to promote the health, safety, morals and general welfare of the inhabitants of the Borough of Middleburg by lessening congestion in the roads and streets, securing safety from fire, panic and other dangers, providing adequate light and air, proper density of population, facilitating the adequate provision of transportation, water, sewerage, schools, parks, flood control and other public requirements, conserving the value of buildings and encouraging the most appropriate use of land.