Update volume bindings; fix logo

apps/atuin/docker-compose.yml

@@ -5,7 +5,7 @@ services:
     image: ghcr.io/atuinsh/atuin:latest
     command: server start
     volumes:
-      - "./config:/config"
+      - "${APP_DATA_DIR}:/config"
     links:
       - postgresql:db
     ports:
@@ -46,7 +46,7 @@ services:
     image: postgres:14
     restart: unless-stopped
     volumes: # Don't remove permanent storage for index database files!
-      - "./database:/var/lib/postgresql/data/"
+      - "${APP_DATA_DIR}/data:/var/lib/postgresql/data/"
     environment:
       POSTGRES_USER: atuin
       POSTGRES_PASSWORD: really-insecure