Add missing neovim packages

Playbook should be ran without using a virtualenv as it tries to install
global/user wide packages. This is not possible from within a
virtualenv.

tasks/neovim.yml

@@ -20,11 +20,18 @@
     version: '{{ item.version|default("HEAD") }}'
   loop: '{{ neovim_plugins }}'
 
-- name: install pynvim package
+- name: install neovim python packages
   pip:
     name:
       - neovim
       - pynvim
+    extra_args: --user
+
+- name: install neovim node package
+  become: true
+  npm:
+    name: neovim
+    global: true
 
 - name: install language servers
   become: true