Embed env_vars guidance in docs

linkwarden/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.
+
 ## "2.13.1" (18-10-2025)
 - Minor bugs fixed
 

linkwarden/README.md

@@ -79,7 +79,7 @@ AUTHENTIK_CLIENT_SECRET: "your-client-secret"
 This addon supports custom scripts and environment variables through the `addon_config` mapping:
 
 - **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.
 
 ### Authentik Integration
 
@@ -119,3 +119,5 @@ Create an issue on github, or ask on the [home assistant thread](https://communi
 ---
 
 ![illustration](https://raw.githubusercontent.com/alexbelgium/hassio-addons/master/linkwarden/illustration.png)
+
+

linkwarden/config.yaml

@@ -27,7 +27,7 @@ ports_description:
   3000/tcp: Webui
 schema:
   env_vars:
-    - name: match(^[A-Z0-9_]+$)
+    - name: match(^[A-Za-z0-9_]+$)
       value: str?
   AUTHENTIK_CLIENT_ID: str?
   AUTHENTIK_CLIENT_SECRET: str?