added .env.example and init.sh script

init.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+ENV_FILE=".env"
+
+if [ -f "$ENV_FILE" ]; then
+  echo "[INFO] $ENV_FILE already exists. Skipping."
+else
+  echo "[INFO] Creating $ENV_FILE from .env.example"
+  cp .env.example .env
+  echo "[OK] Now you can edit .env if needed."
+fi