chore: update volume paths in docker-compose.yml

The docker-compose file has been updated to shift the persistence directory for MongoDB and MariaDB to a subdirectory under ".data". This change groups persistent data in a central location, making it easier for managing and backing up data.

docker-compose.yml

@@ -15,7 +15,7 @@ services:
     ports:
       - '${MYSQL_PORT}:3306'
     volumes:
-      - ./mariadb/:/var/lib/mysql/
+      - ./.data/mariadb/:/var/lib/mysql/
 
   mongodb:
     image: 'mongo:latest'
@@ -31,4 +31,4 @@ services:
       MONGO_INITDB_ROOT_USERNAME: ${MONGO_USERNAME}
       MONGO_INITDB_ROOT_PASSWORD: ${MONGO_PASSWORD}
     volumes:
-      - ./mongodb:/data/db
+      - ./.data/mongodb:/data/db