add environment

.env.example

@@ -1 +1,13 @@
 DATABASE_URL="postgres://tvone:tvone_password@db:5432/tvone"
+
+
+# required for image upload to work
+MINIO_ENDPOINT=minio
+MINIO_PORT=9000
+MINIO_USE_SSL=false
+MINIO_ACCESS_KEY=minioadmin
+MINIO_SECRET_KEY=minioadmin
+MINIO_BUCKET=tvone
+# for URL generation returned by API (important for frontend)
+THUMBOR_PUBLIC_URL=http://thumbor:8888
+# or your public domain, e.g. https://img.yourdomain.com