add telegram bot and autossh tunnel

bot/docker-compose.yml

@@ -0,0 +1,28 @@
+services:
+  bot:
+    build: .
+    image: minecraft-telegram-bot:latest
+    container_name: minecraft-bot
+    restart: unless-stopped
+    environment:
+      BOT_TOKEN_FILE: /run/secrets/bot_token
+      MC_DIR: /mc
+      DB_PATH: /data/users.db
+      # Seeded only when DB is empty. Format: "id:Name,id:Name,..."
+      ADMIN_BOOTSTRAP: "${ADMIN_BOOTSTRAP:-1311866578:Paul}"
+      # The docker daemon resolves relative bind-mounts in /mc/docker-compose.yml from THIS host path.
+      COMPOSE_HOST_DIR: "${COMPOSE_HOST_DIR:-/home/paul/containers/minecraft}"
+      TZ: Africa/Johannesburg
+    volumes:
+      # Talk to host docker daemon to manage minecraft + autossh containers.
+      - /var/run/docker.sock:/var/run/docker.sock
+      # The minecraft compose project (compose file lives here).
+      - ..:/mc
+      # Persistent SQLite users DB.
+      - ./data:/data
+    secrets:
+      - bot_token
+
+secrets:
+  bot_token:
+    file: ../bot.token