Added.env example

.env.example

@@ -0,0 +1,17 @@
+# Copy this file to .env and fill in your values.
+# Never commit .env to git.
+
+# Groq API key — get one free at https://console.groq.com
+GROQ_API_KEY=gsk_your_key_here
+
+# Model to use (fast + free options below)
+# llama-3.1-8b-instant   ← fastest
+# mixtral-8x7b-32768
+# llama-3.3-70b-versatile ← smartest but slower
+MODEL_NAME=llama-3.1-8b-instant
+
+# Server settings
+MAX_TURNS=10
+DEBUG=false
+LLM_TIMEOUT=30
+LLM_MAX_RETRIES=3