Use nicer char for removed line in diff

init.lua

@@ -16,7 +16,7 @@ vim.o.shiftwidth = 4
 vim.o.expandtab = true
 vim.o.list = true
 vim.o.listchars = 'space:⋅,tab:→ ' -- Display tabs
-vim.o.fillchars = 'eob: ' -- Hide ~
+vim.o.fillchars = 'diff:╱,eob: ' -- Create a nice diff and hide ~
 vim.o.whichwrap = vim.o.whichwrap .. 'h,l,<,>,[,]' -- Wrap movement between lines in edit mode
 vim.o.pumheight = 10
 vim.o.pumblend = 10