Refactor devcontainer.json and dagster_cloud.yaml

Author: andrewm4894

.devcontainer/devcontainer.json

@@ -9,6 +9,7 @@
                 "github.copilot",
                 "github.copilot-chat",
                 "ms-azuretools.vscode-docker",
+                "ms-vscode.makefile-tools",
                 "ms-python.python"
             ]
     }

dagster_cloud.yaml

@@ -1,5 +1,5 @@
 locations:
   - location_name: anomstack
     code_source:
-      python_file: ./anomstack/main.py
+      python_file: anomstack/main.py
     working_directory: .