feat: web frontend; middleware; serde (WIP?)

.env.example

@@ -1,7 +1,26 @@
-# Please replace these with your actual key and IV
-LINSPIRER_KEY="0123456789abcdef"
-LINSPIRER_IV="0123456789abcdef"
+# Example .env file for Linspirer MITM Server
+# Copy this to .env and fill in your values
 
-# Optional: Set the listening host and port
-# LINSPIRER_HOST="0.0.0.0"
-# LINSPIRER_PORT="8080"
+# Required: AES-128 encryption key (16 characters)
+LINSPIRER_KEY=your16charkey!!
+
+# Required: AES-128 initialization vector (16 characters)
+LINSPIRER_IV=your16charivec!!
+
+# Required: JWT secret for generating tokens
+LINSPIRER_JWT_SECRET=a-very-long-secret-string
+
+# Optional: Target server URL (default: https://cloud.linspirer.com:883)
+# LINSPIRER_TARGET_URL=https://cloud.linspirer.com:883
+
+# Optional: Server host (default: 0.0.0.0)
+# LINSPIRER_HOST=0.0.0.0
+
+# Optional: Server port (default: 8080)
+# LINSPIRER_PORT=8080
+
+# Optional: Database path (default: sqlite://./data/linspirer.db)
+# LINSPIRER_DB_PATH=sqlite://./data/linspirer.db
+
+# Optional: Rust log level
+# RUST_LOG=info