fix: 1.0.0-beta.2 release - fix files in package.json

Author: woothu

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@coreui/icons-react",
-  "version": "1.0.0-beta.1",
+  "version": "1.0.0-beta.2",
   "description": "CoreUI Icons React component",
   "sideEffects": "src/CIcon.css",
   "license": "MIT",
@@ -30,6 +30,7 @@
   "files": [
     "es/",
     "lib/",
+    "src/",
     "umd/",
     "README.md"
   ],