Add README.md to project.

This makes it easier to read along with the code.

Author: SpacyRicochet

DiningPhilosophers/DiningPhilosophers.xcodeproj/project.pbxproj

@@ -11,6 +11,7 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		232D7939216F76F700831A74 /* README.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
 		OBJ_12 /* DiningPhilosophers */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; path = DiningPhilosophers; sourceTree = BUILT_PRODUCTS_DIR; };
 		OBJ_6 /* Package.swift */ = {isa = PBXFileReference; explicitFileType = sourcecode.swift; path = Package.swift; sourceTree = "<group>"; };
 		OBJ_9 /* main.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = main.swift; sourceTree = "<group>"; };
@@ -38,6 +39,7 @@
 		OBJ_5 = {
 			isa = PBXGroup;
 			children = (
+				232D7939216F76F700831A74 /* README.md */,
 				OBJ_6 /* Package.swift */,
 				OBJ_7 /* Sources */,
 				OBJ_11 /* Products */,