Add initial implementation of Docker Compose manager and example usage

- Introduced DockerComposeManager class for programmatically creating and managing Docker Compose YAML files.
- Added example script demonstrating usage of DockerComposeManager.
- Created tests for service creation, modification, and removal.
- Included project metadata in pyproject.toml and added linting instructions in copilot-instructions.md.

example/basic_example.py

@@ -0,0 +1,36 @@
+"""Example usage of DockerComposeManager to generate a docker-compose.yaml file."""
+
+from compose import DockerComposeManager
+
+if __name__ == "__main__":
+    # Path to the compose file to generate
+    compose_path = "docker-compose.yaml"
+
+    # Create a DockerComposeManager instance
+    manager = DockerComposeManager(compose_path)
+
+    # Add a simple web service
+    manager.create_service(
+        name="web",
+        image="nginx:alpine",
+        ports=["8080:80"],
+        environment={"NGINX_HOST": "localhost"},
+    )
+
+    # Add a database service
+    manager.create_service(
+        name="db",
+        image="postgres:15-alpine",
+        environment={
+            "POSTGRES_USER": "user",
+            "POSTGRES_PASSWORD": "password",
+            "POSTGRES_DB": "exampledb",
+        },
+        ports=["5432:5432"],
+        volumes=["db_data:/var/lib/postgresql/data"],
+    )
+
+    # Save the compose file
+    manager.save()
+
+    print(f"docker-compose.yaml generated at {compose_path}")