color role → desktop_environment role

Is this commit without too many change so that Git catches on the
rename?
Yes, yes it is.

config/automatrop/roles/facts/tasks/main.yml

@@ -0,0 +1,12 @@
+- name: Set facts
+  set_fact:
+    arch_based: "{{ ansible_distribution == 'Archlinux' }}"
+    arch: "{{ ansible_lsb.id == 'Arch' }}"
+    manjaro: "{{ ansible_lsb.id == 'Manjaro' or ansible_lsb.id == 'Manjaro-ARM' }}"
+    termux: "{{ ansible_distribution == 'OtherLinux' and ansible_python.executable == '/data/data/com.termux/files/usr/bin/python' }}"
+    debian_based: "{{ ansible_distribution == 'Debian' or ansible_distribution == 'Ubuntu' }}"
+    debian: "{{ ansible_distribution == 'Debian' }}"
+    ubuntu: "{{ ansible_distribution == 'Ubuntu' }}"
+  tags:
+    - always
+# TODO Make this a real Ansible fact maybe?