Add en_gb dictionary to Atom installation

Author: Chris Morgan

ansible/roles/atom/tasks/main.yml

@@ -2,4 +2,10 @@
   - name: "install atom using deb link"
     apt:
       deb="https://github.com/atom/atom/releases/download/v{{atom_version}}/atom-amd64.deb"
+      autoremove=yes
+
+  - name: "install en_gb dictionary"
+    apt:
+      name=myspell-en-gb
+      state=present
       autoremove=yes