Add RedHat support to gh role

roles/gh/tasks/RedHat.yaml

@@ -0,0 +1,12 @@
+---
+- name: add yum repository
+  become: true
+  get_url:
+    url: https://cli.github.com/packages/rpm/gh-cli.repo
+    dest: /etc/yum.repos.d/gh-cli.repo
+
+- name: install dnf package
+  become: true
+  dnf:
+    name: gh
+    state: latest