A few tweaks

tsconfig.json

@@ -0,0 +1,26 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "include": [
+    "types",
+    "plugins"
+  ],
+  "exclude": ["plugins/*/node_modules"],
+  "compilerOptions": {
+    "target": "es2021",
+    "lib": ["DOM", "DOM.Iterable", "ESNext"],
+    "useDefineForClassFields": true,
+    "allowJs": false,
+    "skipLibCheck": true,
+    "esModuleInterop": false,
+    "allowSyntheticDefaultImports": true,
+    "strict": true,
+    "noUncheckedIndexedAccess": true,
+    "forceConsistentCasingInFileNames": true,
+    "module": "ESNext",
+    "moduleResolution": "Node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx"
+  }
+}