fix(start-plugin-core): Add react-start-client and solid-start-client to optionalDependencies

Author: onlywei

packages/start-plugin-core/package.json

@@ -83,6 +83,10 @@
     "xmlbuilder2": "^3.1.1",
     "zod": "^3.24.2"
   },
+  "optionalDependencies": {
+    "@tanstack/react-start-client": "workspace:*",
+    "@tanstack/solid-start-client": "workspace:*"
+  },
   "devDependencies": {
     "@types/babel__code-frame": "^7.0.6",
     "@types/babel__core": "^7.20.5",