Provides generalized and structured configuration value access

Changes for 3.00 - 2024-04-05T09:42:33-05:00

• complete rewrite using Class::Prototyped to eliminate Mojolicious dependency
• add get_node and to_hash methods for config introspection
• remove __get_child_node_names method (redundant with get_node)
• remove static instance registration methods (curbing scope creep)