Bring the D&D 3.5e feat Leadership to 5e rules

I am converting one of my old D&D 3.5e characters to D&D 5e, to use in another campaign. This character had the feat leadership and used it to build a guild. I saw the chapter in the DMG about followers but I wanted to have something more like a table to calculate the amount of followers and cohorts I have, like it was in 3.5e.