fix(remix): Add Remix-specific Performance monitoring setup page (#8394)

src/platform-includes/performance/configure-sample-rate/javascript.remix.mdx

@@ -0,0 +1,41 @@
+<SignInNote />
+
+```typescript {tabTitle:Client} {filename: entry.client.tsx}
+import { useLocation, useMatches } from "@remix-run/react";
+import * as Sentry from "@sentry/remix";
+import { useEffect } from "react";
+
+Sentry.init({
+  dsn: "___PUBLIC_DSN___",
+  integrations: [
+    new Sentry.BrowserTracing({
+      routingInstrumentation: Sentry.remixRouterInstrumentation(
+        useEffect,
+        useLocation,
+        useMatches
+      ),
+    }),
+  ],
+
+  // Set tracesSampleRate to 1.0 to capture 100%
+  // of transactions for performance monitoring.
+  // We recommend adjusting this value in production
+  tracesSampleRate: 1.0,
+
+  // Set `tracePropagationTargets` to control for which URLs distributed tracing should be enabled
+  tracePropagationTargets: ["localhost", /^https:\/\/yourserver\.io\/api/],
+});
+```
+
+```typescript {tabTitle:Server} {filename: entry.server.tsx}
+import * as Sentry from "@sentry/remix";
+
+Sentry.init({
+  dsn: "___PUBLIC_DSN___",
+
+  // Set tracesSampleRate to 1.0 to capture 100%
+  // of transactions for performance monitoring.
+  // We recommend adjusting this value in production
+  tracesSampleRate: 1.0,
+});
+```

src/platform-includes/performance/enable-tracing/javascript.remix.mdx

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+Tracing is available by default in the Sentry Remix SDK package.