Add webui title to api server

env.example

@@ -4,10 +4,9 @@
 # HOST=0.0.0.0
 # PORT=9621
 # WORKERS=2
-### separating data from difference Lightrag instances
-### Max nodes return from grap retrieval
-# MAX_GRAPH_NODES=1000
 # CORS_ORIGINS=http://localhost:3000,http://localhost:8080
+# WEBUI_TITLE='My Best RAG System'
+# WEBUI_DESCRIPTION="My Knowledge System Based on LightRAG"
 
 ### Optional SSL Configuration
 # SSL=true
@@ -21,6 +20,9 @@
 ### Ollama Emulating Model Tag
 # OLLAMA_EMULATING_MODEL_TAG=latest
 
+### Max nodes return from grap retrieval
+# MAX_GRAPH_NODES=1000
+
 ### Logging level
 # LOG_LEVEL=INFO
 # VERBOSE=False