Make more things public...

Sources/SwiftRPLidar/LidarSerial.swift

@@ -1,6 +1,6 @@
 import Foundation
 
-protocol LidarSerial {
+public protocol LidarSerial {
     var dtr: Bool {get set};
     var inWaiting: Int {get};
     func closePort() -> Void;

Sources/SwiftRPLidar/SwiftRPLidar.swift

@@ -63,7 +63,7 @@ public class SwiftRPLidar {
     private var motorRunning = false
     
     
-    init(onPort serialPort: LidarSerial) throws {
+    public init(onPort serialPort: LidarSerial) throws {
         self.serialPort = serialPort
         try connect()
         try startMotor()