feat: add blog_options and rss feed generation

compose.yaml

@@ -1,13 +1,13 @@
 services:
   app:
     image: node:krypton-alpine
-    user: "node"
     restart: no
     depends_on:
       - db
     working_dir: /home/node/app
     volumes:
       - ./app:/home/node/app
+      - rss-data:/home/node/rss
     environment:
       DB_USER: myuser
       DB_PASSWORD: example
@@ -50,6 +50,7 @@ services:
       - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
       - ./nginx/ssl:/etc/nginx/ssl:ro
       - ./app/public/:/usr/share/nginx/html:ro
+      - rss-data:/usr/share/nginx/rss:ro
     develop:
       watch:
         - path: ./app/public
@@ -66,3 +67,4 @@ networks:
 
 volumes:
   pgdata:
+  rss-data: