Embed env_vars guidance in docs

zzz_archived_paperless_ngx/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.
 
 ## 2.15.1 (12-04-2025)
 - Update to latest version from paperless-ngx/paperless-ngx (changelog : https://github.com/paperless-ngx/paperless-ngx/releases)

zzz_archived_paperless_ngx/README.md

@@ -42,6 +42,8 @@ Alternative quality addon : https://github.com/BenoitAnastay/home-assistant-addo
 
 ## 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.
+
 Default username:password is admin:admin. Once logged in, you can change it from within the administration panel.
 
 Options can be configured through two ways :
@@ -90,3 +92,5 @@ Create an issue on github
 ---
 
 ![illustration](https://paperless-ngx.readthedocs.io/en/latest/_images/documents-smallcards.png)
+
+

zzz_archived_paperless_ngx/config.yaml

@@ -104,7 +104,7 @@ privileged:
   - DAC_READ_SEARCH
 schema:
   env_vars:
-    - name: match(^[A-Z0-9_]+$)
+    - name: match(^[A-Za-z0-9_]+$)
       value: str?
   CONFIG_LOCATION: str
   OCRLANG: str?