improve installation commands

tasks/main.yml

@@ -1,3 +1,11 @@
+---
+
+- name: download atom deb package
+  get_url:
+    url: https://github.com/atom/atom/releases/download/{{atom_release}}/atom-amd64.deb
+    dest: /opt/atom-amd64.deb
+    checksum: "{{atom_deb_checksum}}"
+
 - name: install atom
   apt:
-    deb: https://github.com/atom/atom/releases/download/v1.19.7/atom-amd64.deb
+    deb: /opt/atom-amd64.deb

vars/main.yml

@@ -0,0 +1,2 @@
+atom_release: v1.20.0
+atom_deb_checksum: sha256:4029f2d323cab956f9c007e1bf50ac1d991abe245c34c47a930d1d6f0951f7cb