➕ Add default values to roles (#509)

* ➕ Add default values to roles

* 🚚 Move to use meta files for roles

* 🛠 Fix descriptions

* ➕ Add meta for server

* 🚧 WIP

* 🌟 Complete

* 🧹 Ran and fix lint errors

* 🔨 Fix required and default conflict

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Co-authored-by: Techno Tim <timothystewart6@gmail.com>

roles/prereq/defaults/main.yml

@@ -1,4 +1,4 @@
 ---
 secure_path:
-  RedHat: '/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin'
-  Suse: '/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/bin'
+  RedHat: /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin
+  Suse: /usr/sbin:/usr/bin:/sbin:/bin:/usr/local/bin

roles/prereq/meta/main.yml

@@ -0,0 +1,7 @@
+---
+argument_specs:
+  main:
+    short_description: Prerequisites
+    options:
+      system_timezone:
+        description: Timezone to be set on all nodes