add ts config

tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "target": "es2016" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
+    "module": "commonjs" /* Specify what module code is generated. */,
+    "outDir": "./dist" /* Specify an output folder for all emitted files. */,
+    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */,
+    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,
+    "strict": true /* Enable all strict type-checking options. */,
+    "skipLibCheck": true /* Skip type checking all .d.ts files. */
+  }
+}