Embed env_vars guidance in docs

sponsorblockcast/CHANGELOG.md

@@ -1,3 +1,4 @@
+- 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.
 
 ## 0.8.2 (08-03-2025)
 - Update to latest version from gabe565/CastSponsorSkip (changelog : https://github.com/gabe565/CastSponsorSkip/releases)

sponsorblockcast/README.md

@@ -65,7 +65,7 @@ CSS_DEVICES: "192.168.1.100,192.168.1.101"
 This addon supports custom script execution and environment variable injection:
 
 - **Custom scripts**: See [Running Custom Scripts in Addons](https://github.com/alexbelgium/hassio-addons/wiki/Running-custom-scripts-in-Addons)
-- **Environment variables**: See [Add Environment Variables to your Addon](https://github.com/alexbelgium/hassio-addons/wiki/Add-Environment-variables-to-your-Addon)
+- **env_vars option**: 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.
 
 ### Additional Resources
 
@@ -89,3 +89,5 @@ Addon : here
 App : [CastSponsorSkip](https://github.com/gabe565/CastSponsorSkip)
 
 [repository]: https://github.com/alexbelgium/hassio-addons
+
+

sponsorblockcast/config.yaml

@@ -16,7 +16,7 @@ options:
   CSS_CATEGORIES: sponsor, intro, outro, selfpromo
 schema:
   env_vars:
-    - name: match(^[A-Z0-9_]+$)
+    - name: match(^[A-Za-z0-9_]+$)
       value: str?
   CSS_CATEGORIES: str
   CSS_DISCOVER_INTERVAL: str?