diff --git a/src/index.js b/src/index.tsx
similarity index 66%
rename from src/index.js
rename to src/index.tsx
index 593edf1..d77cdf9 100644
--- a/src/index.js
+++ b/src/index.tsx
@@ -2,9 +2,11 @@ import React from 'react';
 import ReactDOM from 'react-dom/client';
 import App from './App';
 
-const root = ReactDOM.createRoot(document.getElementById('root'));
+const root = ReactDOM.createRoot(
+  document.getElementById('root') as HTMLElement
+);
 root.render(
   <React.StrictMode>
     <App />
   </React.StrictMode>
-);
+);
\ No newline at end of file
diff --git a/src/react-app-env.d.ts b/src/react-app-env.d.ts
new file mode 100644
index 0000000..6431bc5
--- /dev/null
+++ b/src/react-app-env.d.ts
@@ -0,0 +1 @@
+/// <reference types="react-scripts" />
diff --git a/tsconfig.json b/tsconfig.json
index 9d767b1..8de5e1c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,11 @@
 {
     "compilerOptions": {
+        "target": "es5",
+        "lib": [
+        "dom",
+        "dom.iterable",
+        "esnext"
+        ],
         "allowJs": true,
         "skipLibCheck": true,
         "esModuleInterop": true,
@@ -13,8 +19,8 @@
         "isolatedModules": true,
         "noEmit": true,
         "jsx": "react-jsx"
-    },
+},
     "include": [
-        "./src/"
+        "src"
     ]
-}
\ No newline at end of file
+}
diff --git a/webpack.config.js b/webpack.config.ts
similarity index 100%
rename from webpack.config.js
rename to webpack.config.ts