Handle onion address for pixelfed

src/freedombone-app-pixelfed

     cd "/var/www/$PIXELFED_DOMAIN_NAME/htdocs" || exit 36587357
 
     cp "/var/www/$PIXELFED_DOMAIN_NAME/htdocs/.env.example" "/var/www/$PIXELFED_DOMAIN_NAME/htdocs/.env"
-    sed -i "s|APP_URL=http://.*|APP_URL=https://\$PIXELFED_DOMAIN_NAME|g" "/var/www/$PIXELFED_DOMAIN_NAME/htdocs/.env"
+
+    if [[ "$ONION_ONLY" != 'no' ]]; then
+        sed -i "s|APP_URL=http://.*|APP_URL=https://\$PIXELFED_DOMAIN_NAME|g" "/var/www/$PIXELFED_DOMAIN_NAME/htdocs/.env"
+    else
+        sed -i "s|APP_URL=http://.*|APP_URL=http://\$PIXELFED_ONION_HOSTNAME|g" "/var/www/$PIXELFED_DOMAIN_NAME/htdocs/.env"
+    fi
     sed -i "s|DB_DATABASE=.*|DB_DATABASE=pixelfed|g" "/var/www/$PIXELFED_DOMAIN_NAME/htdocs/.env"
     sed -i "s|DB_USERNAME=.*|DB_USERNAME=root|g" "/var/www/$PIXELFED_DOMAIN_NAME/htdocs/.env"
     sed -i "s|DB_PASSWORD=.*|DB_PASSWORD=$MARIADB_PASSWORD|g" "/var/www/$PIXELFED_DOMAIN_NAME/htdocs/.env"