add missing file

id.saladeaula.digital/client/app/routes/upstream.ts

@@ -0,0 +1,30 @@
+import type { Route } from './+types'
+
+export async function action({ request, context }: Route.ActionArgs) {
+  const url = new URL(request.url)
+  const issuerUrl = new URL(url.pathname, context.cloudflare.env.ISSUER_URL)
+  const r = await fetch(issuerUrl.toString(), {
+    method: request.method,
+    headers: request.headers,
+    body: await request.text()
+  })
+
+  return new Response(await r.text(), {
+    status: r.status,
+    headers: r.headers
+  })
+}
+
+export async function loader({ request, context }: Route.ActionArgs) {
+  const url = new URL(request.url)
+  const issuerUrl = new URL(url.pathname, context.cloudflare.env.ISSUER_URL)
+  const r = await fetch(issuerUrl.toString(), {
+    method: request.method,
+    headers: request.headers
+  })
+
+  return new Response(await r.text(), {
+    status: r.status,
+    headers: r.headers
+  })
+}