lost: a bunch of stuff was changed and I lost track

core/options.lua

@@ -15,6 +15,10 @@ vim.o.updatetime = 250
 vim.o.timeoutlen = 300
 vim.o.splitright = true
 vim.o.splitbelow = true
+vim.o.tabstop = 4
+vim.o.shiftwidth = 4
+vim.o.softtabstop = 4
+vim.o.expandtab = true
 
 vim.o.list = true
 vim.opt.listchars = { tab = '» ', trail = '·', nbsp = '␣' }