switched to roles

- all tasks/* have been moved to their own roles in roles/*
- each file && template is now oragnized per-role
- annotated each task which still isn't idempotent !TODO!

roles/blog/templates/updateBlog

@@ -0,0 +1,5 @@
+#!/bin/bash
+cd /var/www/{{ domain }}
+/usr/bin/git fetch origin
+/usr/bin/git reset --hard origin/main
+/usr/bin/hugo