Embed env_vars guidance in docs

arpspoof/CHANGELOG.md

@@ -1,3 +1,5 @@
+- Added support for configuring extra environment variables via the `env_vars` add-on option alongside config.yaml. See https://github.com/alexbelgium/hassio-addons/wiki/Add-Environment-variables-to-your-Addon-2 for details.
+
 - Implemented healthcheck
 - WARNING : update to supervisor 2022.11 before installing
 - Add codenotary sign

arpspoof/README.md

@@ -42,6 +42,8 @@ The installation of this add-on is pretty straightforward and not different in c
 
 ## Configuration
 
+Use the add-on `env_vars` option to pass extra environment variables (uppercase or lowercase names). See https://github.com/alexbelgium/hassio-addons/wiki/Add-Environment-variables-to-your-Addon-2 for details.
+
 Webui can be found at <http://homeassistant:PORT>.
 
 ```yaml
@@ -74,3 +76,5 @@ Create an issue on github
 ## Illustration
 
 No illustration
+
+

arpspoof/config.yaml

@@ -82,7 +82,7 @@ privileged:
   - DAC_READ_SEARCH
 schema:
   env_vars:
-    - name: match(^[A-Z0-9_]+$)
+    - name: match(^[A-Za-z0-9_]+$)
       value: str?
   INTERFACE_NAME: str?
   ROUTER_IP: str