Moved off AWS. (#2)

- Instance in Hetzner.
- Data stored in Backblaze B2.

Reviewed-on: #2
Co-authored-by: M. V. Hutz <git@maximhutz.me>
Co-committed-by: M. V. Hutz <git@maximhutz.me>

ansible.cfg

@@ -1,6 +1,13 @@
 [defaults]
 callbacks_enabled = profile_tasks
 localhost_warning = False
+vault_password_file = vault.key
+interpreter_python = /usr/bin/python3.11
 
 [inventory]
 inventory_unparsed_warning = False
+
+[ssh_connection]
+ssh_args = -o ControlMaster=auto -o ControlPersist=60s -o ForwardAgent=yes -o IdentityAgent=none
+pipelining = True
+retries = 2