commit e7f814bffdb0fe77c501838a0a4079950c9f7f39
Author: Jan Kocoń <39369166+jkocon@users.noreply.github.com>
Date:   Tue Dec 9 13:16:08 2025 +0100

    Create README.md

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..a5f2c91
--- /dev/null
+++ b/README.md
@@ -0,0 +1,24 @@
+# MinIO Backup Add-on
+
+This add-on automatically creates Home Assistant backups, stores them on a MinIO
+(S3-compatible) server, and manages retention for daily and monthly backups.
+
+### Features
+- Automatic daily and monthly backups
+- Retention control (default: 3 daily, 12 monthly)
+- Optional AES-256 encryption
+- Upload to MinIO / S3-compatible servers
+- Uses Supervisor API for snapshot creation
+
+### Decryption (if encryption is enabled)
+openssl enc -d -aes-256-cbc -pbkdf2 -in backup.tar.enc -out backup.tar -k "PASSWORD"
+
+### Configuration options
+- `minio_endpoint` – MinIO server URL
+- `minio_access_key`
+- `minio_secret_key`
+- `minio_bucket`
+- `daily_to_keep`
+- `monthly_to_keep`
+- `encryption_enabled` – true/false
+- `encryption_password`