Move vim config to 'vim' module

.config/nvim/init.lua

@@ -1,5 +1 @@
-vim.cmd([[
-set runtimepath^=~/.vim runtimepath+=~/.vim/after
-let &packpath = &runtimepath
-source ~/.vimrc"
-]])
+require("vim")

.config/nvim/lua/vim.lua

@@ -0,0 +1,5 @@
+vim.cmd([[
+set runtimepath^=~/.vim runtimepath+=~/.vim/after
+let &packpath = &runtimepath
+source ~/.vimrc"
+]])