docs: update ngnix docs (#4980)

docs/content/en/integration/proxies/nginx-proxy-manager/index.md

@@ -68,7 +68,7 @@ services:
     volumes:
       - ${PWD}/data/nginx-proxy-manager/data:/data
       - ${PWD}/data/nginx-proxy-manager/letsencrypt:/etc/letsencrypt
-      - ${PWD}/data/nginx/snippets:/config/nginx/snippets:ro
+      - ${PWD}/data/nginx/snippets:/snippets:ro
     environment:
       TZ: 'Australia/Melbourne'
   authelia:

docs/content/en/integration/proxies/swag.md

@@ -147,6 +147,8 @@ services:
       - '443:443'
     volumes:
       - ${PWD}/data/swag:/config
+      #- ${PWD}/data/nginx/snippets:/snippets:ro
+      ## Uncomment the above line if you want to use the Authelia configuration snippets.
     environment:
       PUID: '1000'
       PGID: '1000'