add compose files for container management

Replace raw podman run with declarative compose.yml per host type.
Master (odin) gets compose.master.yml, workers get compose.worker.yml.

compose.master.yml

@@ -0,0 +1,15 @@
+version: "3"
+services:
+  ppf:
+    container_name: ppf
+    image: localhost/ppf:latest
+    build: .
+    network_mode: host
+    restart: unless-stopped
+    environment:
+      PYTHONUNBUFFERED: "1"
+    volumes:
+      - .:/app:ro
+      - ./data:/app/data
+      - ./config.ini:/app/config.ini:ro
+    command: python2 -u ppf.py