feat(org-chart): support standalone React integration and update guides

packages/org-chart-react/package.json

@@ -10,6 +10,11 @@
       "types": "./dist/index.d.ts",
       "import": "./dist/index.js",
       "default": "./dist/index.js"
+    },
+    "./hm-dialog": {
+      "types": "./dist/hm-dialog.d.ts",
+      "import": "./dist/hm-dialog.js",
+      "default": "./dist/hm-dialog.js"
     }
   },
   "files": ["dist", "README.md"],