move .env to root

.env.example

@@ -0,0 +1,26 @@
+PORT=3001
+DEBUG_MODE=true
+NODE_ENV=production
+
+VITE_BACKEND_API_URL=http://localhost:3001
+VITE_COLLABORATION_URL=
+
+JWT_SECRET_KEY=ba8642edbed7f6c450e46875e8c835c7e417031abe1f7b03f3e56bb7481706d8
+JWT_TOKEN_EXPIRES_IN=30d
+
+DATABASE_URL="postgresql://postgres:password@localhost:5432/dc?schema=public"
+
+# local | s3
+STORAGE_DRIVER=local
+
+# local config
+LOCAL_STORAGE_PATH=/storage
+
+# S3 Config
+AWS_S3_ACCESS_KEY_ID=
+AWS_S3_SECRET_ACCESS_KEY=
+AWS_S3_REGION=
+AWS_S3_BUCKET=
+AWS_S3_ENDPOINT=
+AWS_S3_URL=
+AWS_S3_USE_PATH_STYLE_ENDPOINT=false