add caching and comments

.gitignore

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+# Ignore inventory file. This are Submodules
+inventory/
+
+# Ignore .secret files.... you know, there secret...
+*.secret
+
+# Ignore Caching
+cache/

ansible.cfg

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+[defaults]
+inventory = ./inventory/
+host_key_checking = False
+retry_files_enabled = False
+
+# Caching-Einstellungen
+gathering = smart
+fact_caching = jsonfile
+fact_caching_connection = ./cache
+fact_caching_timeout = 86400
+
+# Rollen-Pfade
+roles_path = ./roles/global:./roles/custom
+
+# Vault-Einstellungen
+vault_password_file = ./vault.secret
+
+# Ansible-Verhalten
+ansible_managed = Ansible managed: {file} modified on %Y-%m-%d %H:%M:%S by @{UID} on {host}
+
+[privilege_escalation]
+become = True
+become_method = sudo
+become_user = root
+become_ask_pass = False
+
+[ssh_connection]
+ssh_args = -o ControlMaster=auto -o ControlPersist=60s
+pipelining = True