chore: rename aelis to freya

apps/freya-backend/.env.example

@@ -0,0 +1,22 @@
+# PostgreSQL connection string
+DATABASE_URL=postgresql://user:password@localhost:5432/aris
+
+# BetterAuth secret (min 32 chars, generate with: openssl rand -base64 32)
+BETTER_AUTH_SECRET=
+
+# Encryption key for source credentials at rest (32 bytes, generate with: openssl rand -base64 32)
+CREDENTIAL_ENCRYPTION_KEY=
+
+# Base URL of the backend
+BETTER_AUTH_URL=http://localhost:3000
+
+# OpenRouter (LLM feed enhancement)
+OPENROUTER_API_KEY=
+# Optional: override the default model (default: openai/gpt-4.1-mini)
+# OPENROUTER_MODEL=openai/gpt-4.1-mini
+
+# Apple WeatherKit credentials
+WEATHERKIT_PRIVATE_KEY=
+WEATHERKIT_KEY_ID=
+WEATHERKIT_TEAM_ID=
+WEATHERKIT_SERVICE_ID=