Adding rollup to make an esm build

Author: weaverryan

src/LiveComponent/assets/babel.config.json

@@ -6,13 +6,13 @@
                 "targets": {
                     "node": "current",
                     "ie": "11"
-                },
-                "useBuiltIns": "entry",
-                "corejs": "3.14.0"
+                }
             }
         ]
     ],
+    "exclude": "node_modules/**",
     "plugins": [
-        "@babel/plugin-proposal-class-properties"
+        "@babel/plugin-proposal-class-properties",
+        "@babel/plugin-transform-runtime"
     ]
 }