vs code add yapf and flake8 for lint and format

.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+    "python.linting.flake8Enabled": true,
+    "python.formatting.provider": "yapf",
+    "python.linting.flake8Args": [
+        "--max-line-length=248"
+    ],
+    "python.linting.pylintEnabled": false,
+}