Add project files to the repository

Author: jhvhs

.gitignore

@@ -38,7 +38,7 @@ playground.xcworkspace
 Packages/
 Package.pins
 Package.resolved
-*.xcodeproj
+# *.xcodeproj
 
 # Xcode automatically generates this directory with a .xcworkspacedata file and xcuserdata
 # hence it is not needed unless you have added a package configuration file to your project