Frecency files shared by multiple instance.

credits

• https://github.com/folke/snacks.nvim/blob/ce67fa9e31467590c750e203e27d3e6df293f2ad/lua/snacks/picker/core/frecency.lua
• https://github.com/echasnovski/mini.nvim/blob/79654ef28182986dcdd9e2d3506d1728fc7c4f79/lua/mini/visits.lua