feat: add cloud-init and virt-customize method

cloud-init_method/cloud-init-config/.gitignore

@@ -0,0 +1 @@
+out

cloud-init_method/cloud-init-config/meta-data.yaml

@@ -0,0 +1,2 @@
+instance-id: mbessinfra/sandbox03
+local-hostname: sandbox03

cloud-init_method/cloud-init-config/user-data.yaml

@@ -0,0 +1,22 @@
+#cloud-config
+hostname: jpplandhost
+groups:
+  - jppland
+users:
+  - default
+  - calyjohn
+  - name: mbess
+    passwd: "$6$QQuYYEMEG0bJf7iH$mhFeXl10jSQhFO8ltMAi3CtoGLOz5tPdnEBTcp.4JzS5mnBbpANvm9s.VQFMvWq8nfzgzdDZMGr1hnZLGVd2V." #root
+    sudo: ALL=(ALL) NOPASSWD:ALL
+    groups: sudo
+    shell: /bin/bash
+    lock_passwd: false
+    ssh_authorized_keys: 
+      - "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBeNeE0gk6mO0Bz9dDvKQrhA2Oo7x05FicCQJivxqIyi sandbox"
+
+write_files:
+  - encoding: gzip
+    content: !!binary |
+      H4sIAIDb/U8C/1NW1E/KzNMvzuBKTc7IV8hIzcnJVyjPL8pJ4QIA6N+MVxsAAAA=
+    path: /usr/bin/hello
+    permissions: '0755'