update gitignore

.gitignore

@@ -1,3 +1,13 @@
-# ---> Ansible
+# Secrets and sensitive inventory
-*.retry
+inventory/*.ini
+inventory/host_vars/
+inventory/group_vars/*_vault.yml
+.vault_pass.txt
 
+# SSH keys
+*.pem
+id_rsa*
+id_ed25519*
+
+# Local config
+.ansible.cfg