Update settings

lua/core/commands.lua

@@ -0,0 +1,23 @@
+local api, opt = vim.api, vim.opt
+
+local function indent(n, expand)
+    local size = 4
+    if n ~= "" then size = n end
+
+    local num = tonumber(size)
+    if num then
+        size = num
+    end
+
+    opt.expandtab = expand
+    opt.shiftwidth = size
+    opt.tabstop = size
+end
+
+api.nvim_create_user_command("Tabs", function(v)
+    indent(v.args, false)
+end, { nargs = "?" })
+
+api.nvim_create_user_command("Spaces", function(v)
+    indent(v.args, true)
+end, { nargs = "?" })