Added Oculus Rift library dll

.gitignore

@@ -66,8 +66,10 @@ src/libraylib.a
 src/libraylib.bc
 
 # oculus example
-!examples/oculus_glfw_sample/LibOVRRT32_1.dll
+!examples/oculus_glfw_sample/
+
 
 # external libraries DLLs
 !src/external/glfw3/lib/win32/glfw3.dll
 !src/external/openal_soft/lib/win32/OpenAL32.dll
+!src/external/OculusSDK/LibOVR/LibOVRRT32_1.dll