docs: update readme

README.md

@@ -1,11 +1,11 @@
 # Go Storage
-
+A simple Go storage client
+Supported storage:
 - Local
 - S3
 - SSH
 - FTP
 
-
 ```go
 go get github.com/jkaninda/go-storage
 ```
@@ -36,10 +36,64 @@ s3Storage, err := s3.NewStorage(s3.Config{
     LocalPath:      "",
 })
 if err != nil {
-utils.Fatal("Error creating s3 storage: %s", err)
+    log.Fatalf("Error creating s3 storage: %s", err)
 }
+// Copy file to S3
 err = s3Storage.Copy(finalFileName)
 if err != nil {
-utils.Fatal("Error copying file, error %v", err)
+    log.Fatalf("Error copying file, error %v", err)
+}
+// Download file from S3
+err = s3Storage.CopyFrom(finalFileName)
+if err != nil {
+    log.Fatalf("Error copying file, error %v", err)
+}
+```
+
+### SSH Storage
+```go
+sshStorage, err := ssh.NewStorage(ssh.Config{
+		Host:       "",
+		Port:       "",
+		User:       "",
+		Password:   "",
+		RemotePath: "",
+		LocalPath:  "",
+	})
+	if err != nil {
+        log.Fatalf("Error creating SSH storage: %s", err)
+	}
+	// Copy file to the remote server
+	err = sshStorage.Copy(finalFileName)
+	if err != nil {
+        log.Fatalf("Error copying backup file: %s", err)
+	}
+// Download file from SSH remote server
+err = sshStorage.CopyFrom(finalFileName)
+if err != nil {
+log.Fatalf("Error copying file, error %v", err)
+}
+```
+### FTP Storage
+```go
+	ftpStorage, err := ftp.NewStorage(ftp.Config{
+		Host:       "",
+		Port:       "",
+		User:       "",
+		Password:   "",
+		RemotePath: "",
+		LocalPath:  "",
+	})
+	if err != nil {
+        log.Fatalf("Error creating FTP storage: %s", err)
+	}
+	err = ftpStorage.Copy(finalFileName)
+	if err != nil {
+        log.Fatalf("Error copying backup file: %s", err)
+	}
+// Download file from ftp remote server
+err = ftpStorage.CopyFrom(finalFileName)
+if err != nil {
+log.Fatalf("Error copying file, error %v", err)
 }
 ```