fix: use autocommand to set indendation for Go files

when jumping to a declaration the indendation defaulted back to 8
instead of 4 but with autocommand it works when jumping between files

init.lua

@@ -114,11 +114,6 @@ vim.opt.scrolloff = 10
 -- See `:help 'confirm'`
 vim.opt.confirm = true
 
--- set tabs to 4 spaces (default is 8)
-vim.bo.tabstop = 4
-vim.bo.shiftwidth = 4
-vim.bo.softtabstop = 4
-
 -- highlight ExtraWhitespace
 -- TODO: does not seem to clear all whitespace (-> did not work for yaml file)
 vim.api.nvim_set_hl(0, 'ExtraWhitespace', {
@@ -180,6 +175,17 @@ vim.api.nvim_create_autocmd('TextYankPost', {
   end,
 })
 
+-- Set correct indendation for Go files
+vim.api.nvim_create_autocmd('FileType', {
+  pattern = 'go',
+  callback = function()
+    vim.bo.tabstop = 4
+    vim.bo.shiftwidth = 4
+    vim.bo.softtabstop = 4
+    vim.bo.expandtab = false
+  end,
+})
+
 -- [[ Install `lazy.nvim` plugin manager ]]
 --    See `:help lazy.nvim.txt` or https://github.com/folke/lazy.nvim for more info
 local lazypath = vim.fn.stdpath 'data' .. '/lazy/lazy.nvim'