Update docker-compose file to run src.main as package.

src.main will be run as python package, but before as separated
script.

docker-compose.yaml

@@ -3,10 +3,11 @@ version: '3'
 services:
   bot:
     build: .
+    container_name: dots_matrix_bot
     volumes:
       - '.:/code'
       - './crypto_store/:/code/crypto_store/'
       - './session.txt:/code/session.txt'
-    command: 'python src/main.py'
+    command: 'python -m src.main -c'
     env_file: '.env'