Add unraid env options

Signed-off-by: Eric Nemchik <[email protected]>

Author: nemchik

readme-vars.yml

@@ -39,8 +39,8 @@ cap_add_param_vars: ""
 # optional container parameters
 opt_param_usage_include_env: true
 opt_param_env_vars:
-  - { env_var: "UPDATE_IP", env_value: "ipv4", desc: "Set to `ipv6` or `ipv4` to update  **only** your public IPv4/6 address. Set to `both` to update IPv6 and IPv4 address. This variable makes use of a [third-party service](#notice-regarding-automatic-detection). Omitting this variable uses DuckDNS for detection and only supports IPv4. `both` and `ipv6` modes needs [host networking](#networking-net)."}
-  - { env_var: "LOG_FILE", env_value: "false", desc: "Set to `true` to log to file (also need to map /config)."}
+  - { env_var: "UPDATE_IP", env_value: "ipv4", desc: "Set to `ipv6` or `ipv4` to update  **only** your public IPv4/6 address. Set to `both` to update IPv6 and IPv4 address. This variable makes use of a [third-party service](#notice-regarding-automatic-detection). Omitting this variable uses DuckDNS for detection and only supports IPv4. `both` and `ipv6` modes needs [host networking](#networking-net).", env_options: ["", "ipv4", "ipv6", "both"] }
+  - { env_var: "LOG_FILE", env_value: "false", desc: "Set to `true` to log to file (also need to map /config).", env_options: ["false", "true"] }
 opt_param_usage_include_vols: true
 opt_param_volumes:
   - { vol_path: "/config", vol_host_path: "/path/to/appdata/config", desc: "Used in conjunction with logging to file." }