feat: add authorization for api calls

packages/lib/server-only/public-api/get-user-by-token.ts

@@ -0,0 +1,15 @@
+import { prisma } from '@documenso/prisma';
+
+export const checkUserFromToken = async ({ token }: { token: string }) => {
+  const user = await prisma.user.findFirstOrThrow({
+    where: {
+      ApiToken: {
+        some: {
+          token: token,
+        },
+      },
+    },
+  });
+
+  return user;
+};