fix: better vscode integration

.gitignore

@@ -1,2 +1,3 @@
 roms/
 .venv/
+.mypy_cache/

.vscode/settings.json

@@ -1,5 +1,15 @@
 {
     "python.pythonPath": ".venv/bin/python",
     "python.formatting.provider": "black",
+    "editor.formatOnSave": true,
+    "python.linting.enabled": true,
+    "python.linting.lintOnSave": true,
     "python.linting.flake8Enabled": true,
+    "python.linting.mypyEnabled": true,
+    "python.linting.banditEnabled": true,
+    "[python]": {
+        "editor.codeActionsOnSave": {
+            "source.organizeImports": true
+        }
+    },
 }