(a) A municipality may establish a pretrial diversion program.
(b) All discretionary powers endowed by a common law and provided by statutes and acts of this state or powers or discretion otherwise provided by law for the municipality shall be retained.
(c) The pretrial diversion program shall be under the direct supervision and control of the municipality and the municipality may contract with any agency, person, or corporation for services related to this part. The municipality may employ necessary persons to accomplish this part and those persons shall serve at the pleasure of the municipality.