Fix configure openai processor for khoj docker

Store khoj search models and embeddings in default location in docker
container under /root/.khoj

config/khoj_docker.yml

@@ -45,9 +45,7 @@ processor:
   conversation:
     conversation-logfile: "/data/embeddings/conversation_logs.json"
     enable-offline-chat: false
-    openai:
-      api-key: null
-      chat-model: "chat-gpt-3.5"
+    openai: null
 
 app:
   should_log_telemetry: true

docker-compose.yml

@@ -22,7 +22,7 @@ services:
       - ./tests/data/pdf/:/data/pdf/
       # Embeddings and models are populated after the first run
       # You can set these volumes to point to empty directories on host
-      - ./tests/data/embeddings/:/data/embeddings/
-      - ./tests/data/models/:/data/models/
+      - ./tests/data/embeddings/:/root/.khoj/content/
+      - ./tests/data/models/:/root/.khoj/search/
     # Use 0.0.0.0 to explicitly set the host ip for the service on the container. https://pythonspeed.com/articles/docker-connection-refused/
     command: --host="0.0.0.0" --port=42110 -c=config/khoj_docker.yml -vv