Update vim advice (#211)

* Update vim advice for Vim 8 or later

* fix

vim/README.md

@@ -3,19 +3,31 @@ Toit
 
 Plugin to add syntax coloring for the Toit language.
 
-If you are using Pathogen to manage your vim plugins, it's enough to
-recursively copy this directory to a $HOME/.vim/bundle/toit directory, so
-that this file appears as $HOME/.vim/bundle/toit/README.md
+Vim 8 or later
+==============
 
-Alternatively, if you are using Vim 8 or newer you can recursively
-copy this directory to a $HOME/.vim/pack/toit/start/toit directory
-so that this file appears as $HOME/.vim/pack/toit/start/toit/README.md
+If you are using Vim 8, or later, you can use the builtin
+package support.  Check out this package somewhere with git,
+then link it into your .vim directory:
 
-Syntax highlighting
-===================
+```shell
+cd somewhere-suitable
+git clone https://github.com/toitware/ide-tools.git
+mkdir -p $HOME/.vim/pack/foo/start
+ln -s `pwd`/ide-tools/vim $HOME/.vim/pack/foo/start/toit
+```
+
+Vim 7 or earlier
+================
+
+If you are using an older vim, you can use Pathogen to manage your vim plugins.
+In that case, it's enough to recursively copy this directory to a
+$HOME/.vim/bundle/toit directory, so that this file appears as
+$HOME/.vim/bundle/toit/README.md
 
-Create a folder called `syntax` in the location of your vim/neovim installation,
-copy `syntax/toit.vim` to that folder and add the following to your `.vimrc` or `init.vim` file:
+If you are not using Pathogen, you can create a folder called `syntax` in the
+location of your vim/neovim installation, copy `syntax/toit.vim` to that folder
+and add the following to your `.vimrc` or `init.vim` file:
 
 ```
 au! BufNewFile,BufReadPost *.{toit} set filetype=toit