binary-format supports uf2, nrf-dfu

internal/firmware/ext.go

@@ -7,6 +7,10 @@ import "strings"
 func BinaryExt(binaryFormat string) string {
 	if strings.HasPrefix(binaryFormat, "esp") {
 		return ".bin"
+	} else if strings.HasPrefix(binaryFormat, "uf2") {
+		return ".uf2"
+	} else if strings.HasPrefix(binaryFormat, "nrf-dfu") {
+		return ".zip"
 	}
 	return ""
 }