Proxy server to inject shim (#178)

things to test:

- [x] allow real URL to open in new window
- [x] packaging in electron?
- [ ] does it work on windows?
- [x] make sure it works with older apps
- [x] what about cache / reuse? - maybe use a bigger range of ports??

package.json

@@ -131,6 +131,7 @@
     "shell-env": "^4.0.1",
     "shiki": "^3.2.1",
     "sonner": "^2.0.3",
+    "stacktrace-js": "^2.0.2",
     "tailwind-merge": "^3.1.0",
     "tailwindcss": "^4.1.3",
     "tree-kill": "^1.2.2",