Added cmake file to compile and link

Author: mtrebi

Diff for: CMakeLists.txt

@@ -0,0 +1,20 @@
+# CMake entry point
+cmake_minimum_required (VERSION 3.5)
+project (raytracer)
+
+file(GLOB SOURCES
+    "src/*.h"
+    "src/*.cpp"
+)
+
+
+
+
+add_compile_options(
+  -std=c++11
+) 
+
+
+# main.cpp
+add_executable(main ${SOURCES})
+target_link_libraries(main)