updated .env.example

Author: anglerfishlyy

.env.example

@@ -11,9 +11,9 @@ OPENROUTER_API_KEY=
 LLAMA_API_KEY=
 
 # Provider API URLs (optional - defaults provided)
-# CEREBRAS_API_URL=https://api.cerebras.ai/v1/chat/completions
-# OPENROUTER_URL=https://openrouter.ai/api/v1/chat/completions
-# LLAMA_API_URL=https://api.openrouter.ai/v1/chat/completions
+# CEREBRAS_API_URL=https://inference-docs.cerebras.ai/quickstart
+# OPENROUTER_URL=https://openrouter.ai/settings/keys
+# LLAMA_API_URL=https://llama.developer.meta.com/docs/overview/
 
 # Provider Timeouts (milliseconds)
 # CEREBRAS_TIMEOUT=30000