Add composer yaml

Attempting to set up with composer instead of building cleaner off of lighttpd image which is built off of debian. Also actually added cron job to cleaner Dockerfile.

docker-compose.yml

@@ -0,0 +1,16 @@
+services:
+  parser:
+    build: ./
+    volumes:
+      - shared-data:/data
+    command: ["./parse-xml.sh"]  # Writes output to /data/output.xml
+
+  web:
+    image: ./targo_lighttpd
+    ports:
+      - "8080:80"
+    volumes:
+      - shared-data:/var/www/html  # Lighttpd serves /var/www/html
+
+volumes:
+  shared-data: