add support for binary/octet stream in Bind method

[Umang01-hash]

Pull Request Template

Description:

• Closes issue Add support for binary/octet-stream in http/request.go Bind #1143

• Example Usage:

func HelloHandler(c *gofr.Context) (interface{}, error) {
	var data []byte
	if err := c.Bind(&data); err != nil {
		return nil, fmt.Errorf("failed to bind binary data: %w", err)
	}

	// Process the binary data
	fmt.Printf("Received binary data: %v\n", data)
	return string(data), nil
}

Checklist:

• I have formatted my code using goimport and golangci-lint.
• All new code is covered by unit tests.
• This PR does not decrease the overall code coverage.
• I have reviewed the code comments and documentation for clarity.

Thank you for your contribution!

[ccoVeille]

Minor remarks, but 👍