Replace global functions with macros

[fedemengo]

Global functions should be replace with macros

[fedemengo]

• https://github.com/fennec-nvim/fennec-nvim/blob/master/fnl/macros.fnl
• https://github.com/aileot/nvim-laurel/tree/main/tests/spec
• https://github.com/aileot/nvim-fnl
• https://github.com/jhchabran/nvim-config/blob/main/fnl/lib/table.fnl