update VSCode settings (#1337)

Author: xavdid-stripe

.vscode/extensions.json

@@ -1,8 +1,8 @@
 {
   "recommendations": [
-    "ms-python.python",
-    "EditorConfig.editorconfig",
-    "ms-python.flake8",
-    "charliermarsh.ruff"
+    "EditorConfig.editorconfig", // default
+    "ms-python.python", // intellisense
+    "ms-python.flake8", // linting
+    "charliermarsh.ruff" // formatting
   ]
 }

.vscode/settings.json

@@ -4,19 +4,30 @@
 
   "editor.renderWhitespace": "all",
   "files.exclude": {
-    "**/*.pyc": { "when": "$(basename).py" },
-    "**/__pycache__": true
+    "**/*.pyc": true,
+    "**/__pycache__": true,
+    ".pytest_cache": true,
+    ".mypy_cache": true,
+    ".ruff_cache": true,
+    ".tox": true,
+    "*.egg-info": true,
+    "venv": true
   },
+  // uses default venv name from Makefile
+  "python.defaultInterpreterPath": "./venv/bin/python",
 
   // Formatting
   "editor.formatOnSave": true,
+  "[python]": {
+    "editor.defaultFormatter": "charliermarsh.ruff"
+  },
 
   // Tests
   "python.testing.unittestEnabled": false,
   "python.testing.pytestEnabled": true,
 
   "python.terminal.activateEnvironment": true,
-  "python.defaultInterpreterPath": "~/venv/bin/python3",
   "python.analysis.diagnosticMode": "workspace",
   "python.analysis.typeCheckingMode": "basic",
+  "ruff.lint.enable": false // in favor of flake8
 }