Fix Vite DSN env usage and ignore generated router types

Author: cursoragent

sentry-javascript/19580/.gitignore

@@ -0,0 +1 @@
+.react-router/

sentry-javascript/19580/.react-router/types/+future.ts

@@ -16,7 +16,7 @@ The root cause is in the patched `navigate` function which uses `String(args[0])
 
 1. Set your Sentry DSN:
    ```bash
-   export SENTRY_DSN=<your-dsn>
+   export VITE_SENTRY_DSN=<your-dsn>
    ```
 
 2. Install dependencies:

sentry-javascript/19580/.react-router/types/+routes.ts

@@ -4,7 +4,7 @@ import { hydrateRoot } from "react-dom/client";
 import { HydratedRouter } from "react-router/dom";
 
 Sentry.init({
-  dsn: process.env.SENTRY_DSN || "",
+  dsn: import.meta.env.VITE_SENTRY_DSN || "",
   integrations: [Sentry.browserTracingIntegration()],
   tracesSampleRate: 1.0,
   debug: true, // Enable debug to see transaction names in console