Add typescript

tsconfig.json

@@ -0,0 +1,18 @@
+{
+  "compilerOptions": {
+    "target": "es6",
+    "module": "ESNext",
+    "moduleResolution": "node",
+    "sourceMap": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "removeComments": false,
+    "noImplicitAny": false
+  },
+  "include": [
+    "src/**/*.ts"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
+}