fix: sdk-reference-generator generation deps management (#183)

* fix: add required deps for generation into root package config and infer typedoc from there

* fix: use path.delimiter for cross-platform NODE_PATH separator

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: ben-fornefeld

sdk-reference-generator/package.json

@@ -16,6 +16,8 @@
     "glob": "^11.0.0",
     "semver": "^7.6.3",
     "simple-git": "^3.32.3",
+    "typedoc": "~0.27.6",
+    "typedoc-plugin-markdown": "~4.4.1",
     "zod": "^3.24.1"
   },
   "devDependencies": {