fix: Exclude headers from iOS archive. (#77)

Author: tido64

ios/RNCAsyncStorage.xcodeproj/project.pbxproj

@@ -7,8 +7,8 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
-		1990B97A223993B0009E5EA1 /* RNCAsyncStorage.h in Headers */ = {isa = PBXBuildFile; fileRef = B3E7B5881CC2AC0600A0062D /* RNCAsyncStorage.h */; settings = {ATTRIBUTES = (Public, ); }; };
-		1990B97B223993B0009E5EA1 /* RNCAsyncStorageDelegate.h in Headers */ = {isa = PBXBuildFile; fileRef = 1990B9402233FE3A009E5EA1 /* RNCAsyncStorageDelegate.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		1990B97A223993B0009E5EA1 /* RNCAsyncStorage.h in Headers */ = {isa = PBXBuildFile; fileRef = B3E7B5881CC2AC0600A0062D /* RNCAsyncStorage.h */; };
+		1990B97B223993B0009E5EA1 /* RNCAsyncStorageDelegate.h in Headers */ = {isa = PBXBuildFile; fileRef = 1990B9402233FE3A009E5EA1 /* RNCAsyncStorageDelegate.h */; };
 		B3E7B58A1CC2AC0600A0062D /* RNCAsyncStorage.m in Sources */ = {isa = PBXBuildFile; fileRef = B3E7B5891CC2AC0600A0062D /* RNCAsyncStorage.m */; };
 /* End PBXBuildFile section */