doc: add docker-compose section to README (#41)

* doc: add docker-compose section to README

* doc: fix formatting

README.md

@@ -54,6 +54,28 @@ Or you can start the service with Docker:
 
 3.  The Memogram service should now be running inside the Docker container. You can interact with it via your Telegram bot.
 
+#### Starting with Docker Compose
+
+Or you can start the service with Docker Compose. This can be combined with the `memos` itself in the same compose file:
+
+1.  Create a folder where the service will be located.
+2.  Clone this repository in a subfolder `git clone https://github.com/usememos/telegram-integration memogram`
+3.  Create `.env` file
+    ```sh
+    SERVER_ADDR=dns:yourMemosUrl.com:5230
+    BOT_TOKEN=your_telegram_bot_token
+    ```
+4.  Create Docker Compose `docker-compose.yml` file:
+    ```yaml
+    services:
+      memogram:
+        env_file: .env
+        build: memogram
+        container_name: memogram
+    ```
+5. Run the bot via `docker compose up -d`
+6. The Memogram service should now be running inside the Docker container. You can interact with it via your Telegram bot.
+
 ### Interaction Commands
 
 - `/start <access_token>`: Start the bot with your Memos access token.