updated swift serial example to use proper library name

Examples/SwiftSerialExample/Sources/main.swift

@@ -1,5 +1,5 @@
 import Foundation
-import SwiftLinuxSerial
+import SwiftSerial
 
 print("You should do a loopback i.e short the TX and RX pins of the target serial port before testing.")
 

Examples/SwiftSerialExample/gitignore

@@ -0,0 +1,4 @@
+.DS_Store
+.build/
+Packages/
+*.xcodeproj/