update env example

.env.example

@@ -1,43 +1,39 @@
 # Core Configuration
 UPSTREAM_BASE_URL=https://api.openai.com/v1
 UPSTREAM_API_KEY=your-upstream-api-key
-ADMIN_PASSWORD=secure-admin-password
+
+# ADMIN_PASSWORD=secure-admin-password
 
 # Database
-DATABASE_URL=sqlite+aiosqlite:///keys.db
+# DATABASE_URL=sqlite+aiosqlite:///keys.db
 
 # Node Information
-NAME=My Routstr Node
-DESCRIPTION=Fast AI API access with Bitcoin payments
-NPUB=npub1...
-HTTP_URL=https://api.mynode.com
-ONION_URL=http://mynode.onion
+# NAME=My Routstr Node
+# DESCRIPTION=Fast AI API access with Bitcoin payments
+# NSEC=nsec1...
+# HTTP_URL=https://api.mynode.com
+# ONION_URL=http://mynode.onion (auto fetched from compose)
+# RELAYS="wss://relay.damus.io,wss://relay.nostr.band,wss://eden.nostr.land,wss://relay.routstr.com"
+# CASHU_MINTS="https://mint.minibits.cash/Bitcoin,https://mint.cubabitcoin.org,https://ecashmint.otrta.me"
+# RECEIVE_LN_ADDRESS=
 
-# Cashu Configuration
-CASHU_MINTS=https://mint.minibits.cash/Bitcoin
-RECEIVE_LN_ADDRESS=
-
-# Pricing Configuration
-MODEL_BASED_PRICING=true
-COST_PER_REQUEST=1
-COST_PER_1K_INPUT_TOKENS=0
-COST_PER_1K_OUTPUT_TOKENS=0
-EXCHANGE_FEE=1.005
-UPSTREAM_PROVIDER_FEE=1.05
+# Custom Pricing Configuration
+# MODEL_BASED_PRICING=true
+# COST_PER_REQUEST=1
+# COST_PER_1K_INPUT_TOKENS=0
+# COST_PER_1K_OUTPUT_TOKENS=0
+# EXCHANGE_FEE=1.005
+# UPSTREAM_PROVIDER_FEE=1.05
 
 # Network Configuration
-CORS_ORIGINS=*
-TOR_PROXY_URL=socks5://127.0.0.1:9050
+# CORS_ORIGINS=*
+# TOR_PROXY_URL=socks5://127.0.0.1:9050
 
 # Logging
-LOG_LEVEL=INFO
-ENABLE_CONSOLE_LOGGING=true
+# LOG_LEVEL=INFO
+# ENABLE_CONSOLE_LOGGING=true
 
-# Model Management
-MODELS_PATH=models.json
-BASE_URL=https://openrouter.ai/api/v1
-SOURCE=
-
-# Optional Features
-PREPAID_API_KEY=
-PREPAID_BALANCE=0
+# Custom Model Management
+# BASE_URL=https://openrouter.ai/api/v1
+# MODELS_PATH=models.json
+# SOURCE=