fix: 🐛 source maps

include "src" folder in the package to resolve source-map-loader
referencing issue

Author: Abdelrahman Ashraf

package.json

@@ -2,11 +2,12 @@
   "name": "@lottiefiles/react-lottie-player",
   "version": "3.4.5",
   "description": "Lottie web player wrapper for React",
-  "main": "./dist/lottie-react.js",
-  "module": "./dist/lottie-react.esm.js",
-  "types": "./dist/src/index.d.ts",
+  "main": "dist/lottie-react.js",
+  "module": "dist/lottie-react.esm.js",
+  "types": "dist/src/index.d.ts",
   "files": [
-    "/dist"
+    "dist",
+    "src"
   ],
   "devDependencies": {
     "@babel/core": "^7.9.6",