chore: clean .gitignore cache

.env.example

@@ -0,0 +1,42 @@
+# Charon Environment Configuration Example
+# =========================================
+# Copy this file to .env and configure with your values.
+# Never commit your actual .env file to version control.
+
+# =============================================================================
+# Required Configuration
+# =============================================================================
+
+# Database encryption key - 32 bytes base64 encoded
+# Generate with: openssl rand -base64 32
+CHARON_ENCRYPTION_KEY=
+
+# =============================================================================
+# Emergency Reset Token (Break-Glass Recovery)
+# =============================================================================
+
+# Emergency reset token - minimum 32 characters
+# Used for break-glass recovery when locked out by ACL or other security modules.
+# This token allows bypassing all security mechanisms to regain access.
+#
+# SECURITY WARNING: Keep this token secure and rotate it periodically.
+# Only use this endpoint in genuine emergency situations.
+#
+# Generate with: openssl rand -hex 32
+CHARON_EMERGENCY_TOKEN=
+
+# =============================================================================
+# Optional Configuration
+# =============================================================================
+
+# Server port (default: 8080)
+# CHARON_HTTP_PORT=8080
+
+# Database path (default: /app/data/charon.db)
+# CHARON_DB_PATH=/app/data/charon.db
+
+# Enable debug mode (default: 0)
+# CHARON_DEBUG=0
+
+# Use ACME staging environment (default: false)
+# CHARON_ACME_STAGING=false