(a) Each official custodian shall adopt a policy of proactive disclosure of public records that are available for inspection under this title.

(b) The policy adopted under subsection (a) of this section may:

(1) vary as appropriate to the type of public record and to reflect the staff and budgetary resources of the governmental unit; and

(2) include publication of public records on the website of the governmental unit, to the extent practicable, or publication of prior responses to requests for inspection made under this title.