Add SearchApi to search

Add support for engines, improve status code error

Remove changes in package, add engine to env params

Improve description in env example

Remove unnecessary empty line

Improve text

apps/api/.env.example

@@ -1,5 +1,5 @@
 # ===== Required ENVS ======
-NUM_WORKERS_PER_QUEUE=8 
+NUM_WORKERS_PER_QUEUE=8
 PORT=3002
 HOST=0.0.0.0
 REDIS_URL=redis://redis:6379 #for self-hosting using docker, use redis://redis:6379. For running locally, use redis://localhost:6379
@@ -11,9 +11,14 @@ USE_DB_AUTHENTICATION=true
 
 # ===== Optional ENVS ======
 
+# SearchApi key. Head to https://searchapi.com/ to get your API key
+SEARCHAPI_API_KEY=
+# SearchApi engine, defaults to google. Available options: google, bing, baidu, google_news, etc. Head to https://searchapi.com/ to explore more engines
+SEARCHAPI_ENGINE=
+
 # Supabase Setup (used to support DB authentication, advanced logging, etc.)
-SUPABASE_ANON_TOKEN= 
-SUPABASE_URL= 
+SUPABASE_ANON_TOKEN=
+SUPABASE_URL=
 SUPABASE_SERVICE_TOKEN=
 
 # Other Optionals