chore(docs): minor adapter docs cleanup

Author: ndom91

docs/pages/getting-started/adapters/typeorm.mdx

@@ -83,7 +83,7 @@ You can override the default entities and add additional fields with a custom en
 
 1. Create a file containing your modified entities:
 
-```ts filename="lib/entities.ts"
+```ts filename="lib/entities.ts" {38-39}
 import {
   Entity,
   PrimaryGeneratedColumn,

docs/pages/getting-started/adapters/upstash-redis.mdx

@@ -122,7 +122,7 @@ const defaultOptions = {
 Usually changing the `baseKeyPrefix` should be enough for this scenario, but for more custom setups, you can also change the prefixes of every single key.
 
 ```ts
-export default NextAuth({
+export const { handlers, auth, signIn, signOut } = NextAuth({
   adapter: UpstashRedisAdapter(redis, { baseKeyPrefix: "app2:" }),
 })
 ```