Update config.yaml.example

added permission options

config.yaml.example

@@ -2,6 +2,12 @@ api_key: "your_opnsense_api_key"
 api_secret: "your_opnsense_api_secret"
 host: "https://your-opnsense.local"
 certificate_search: "example.com"
+
 output_directory: "./certs"
 output_filename: "cert.cert"
 export_format: "crt" # crt or prv
+
+# optional set file permissions (unix only)
+# file_owner: "root"
+# file_group: "root"
+# file_mode: "0600"