Fix SPM ompilation error

Package.swift

@@ -27,20 +27,20 @@ let package = Package(
         .target(
             name: "YogaKit",
             dependencies: ["Yoga"],
-            path: ".",
-            exclude: ["YogaKit/Source/YGLayoutExtensions.swift"],
-            sources: ["YogaKit/Source"],
-            publicHeadersPath: "YogaKit/Source",
+            path: "YogaKit",
+            exclude: ["Source/YGLayoutExtensions.swift"],
+            sources: ["Source"],
+            publicHeadersPath: "Source/modulemap",
             cSettings: [
-                .headerSearchPath(".")
+                .headerSearchPath("..")
             ]),
         .target(
             name: "Yoga",
-            path: ".",
-            sources: ["yoga"],
-            publicHeadersPath: "yoga/include",
+            path: "yoga",
+            sources: ["."],
+            publicHeadersPath: "modulemap",
             cSettings: [
-                .headerSearchPath(".")
+                .headerSearchPath("..")
             ])
     ],
     cLanguageStandard: .gnu11,

YogaKit/Source/UIView+Yoga.h

@@ -14,7 +14,7 @@
 #import <UIKit/UIKit.h>
 #endif
 
-#import "YGLayout.h"
+#import "YogaKit.h"
 
 NS_ASSUME_NONNULL_BEGIN
 

YogaKit/Source/YGLayout+Private.h

@@ -5,8 +5,8 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-#import <yoga/Yoga.h>
-#import "YGLayout.h"
+#import "../../yoga/Yoga.h"
+#import "YogaKit.h"
 
 @interface YGLayout ()
 

YogaKit/Source/YogaKit.h

@@ -13,9 +13,9 @@
 #import <UIKit/UIKit.h>
 #endif
 
-#import <yoga/YGEnums.h>
-#import <yoga/YGMacros.h>
-#import <yoga/Yoga.h>
+#import "../../yoga/YGEnums.h"
+#import "../../yoga/YGMacros.h"
+#import "../../yoga/Yoga.h"
 
 YG_EXTERN_C_BEGIN
 

YogaKit/Source/modulemap/YogaKit-umbrella.h

@@ -0,0 +1,2 @@
+#import "../YogaKit.h"
+#import "../UIView+Yoga.h"

YogaKit/Source/modulemap/module.modulemap

@@ -0,0 +1,4 @@
+module YogaKit {
+    umbrella header "YogaKit-umbrella.h"
+    export *
+}

yoga/modulemap/Yoga-umbrella.h

@@ -0,0 +1,8 @@
+#ifdef __OBJC__
+#import <Foundation/Foundation.h>
+#endif
+
+#import "../YGEnums.h"
+#import "../YGMacros.h"
+#import "../YGValue.h"
+#import "../Yoga.h"

yoga/modulemap/module.modulemap

@@ -0,0 +1,4 @@
+module Yoga [extern_c] {
+    umbrella header "Yoga-umbrella.h"
+    export *
+}