docs(readme): removes garbage, adds adoc tags

README.adoc

@@ -12,24 +12,4 @@ This module provisions the new Libvirt virtual machine.
 It is tied to Vault secret managment engine and so most likely You should not
 use this module.
 
-[NOTE]
-====
-A sample note admonition.
-We can use gemoji icons in the Asciidoctor markup.
-We assign an icon name to the document
-attributes `tip-caption`, `note-caption` and `important-caption`.
-====
-
 TIP: This module is used in https://github.com/oswee/ignite[oswee/ignite] repository.
-
-[source]
- ----
-\ifdef::env-github[] <1> (1)
-:imagesdir: https://gist.githubusercontent.com/path/to/gist/revision/dir/with/all/images
-endif::[]
-\ifndef::env-github[] <2>
-:imagesdir: ./
-endif::[]
- ----
-<1> Use the `ifdef` to customize for online rendering (2)
-<2> Use the `ifndef` to customize for offline

main.tf

@@ -5,13 +5,17 @@ resource "libvirt_volume" "volume" {
   pool   = local.volume.pool
 }
 
+# tag::tagname[]
+
 resource "libvirt_cloudinit_disk" "cloudinit" {
   name           = "${local.cloudinit.name}-cloudinit.iso"
   user_data      = data.template_file.user_data.rendered
   network_config = data.template_file.network_config.rendered
   pool           = local.volume.pool
 }
 
+# end::tagname[]
+
 resource "libvirt_domain" "domain" {
   name   = local.domain.name
   memory = local.domain.memory