README.md: add notes to How to compile on Windows

Jud White

2018-03-25 c6ecf1e0420737eafeb99b27b1d716b46a6cbb7a

 build/darknet/darknet_no_gpu.vcxproj

@@ -213,6 +213,7 @@
    <ClCompile Include="..\..\src\parser.c" />
    <ClCompile Include="..\..\src\region_layer.c" />
    <ClCompile Include="..\..\src\reorg_layer.c" />
    <ClCompile Include="..\..\src\reorg_old_layer.c" />
    <ClCompile Include="..\..\src\rnn.c" />
    <ClCompile Include="..\..\src\rnn_layer.c" />
    <ClCompile Include="..\..\src\rnn_vid.c" />
@@ -266,6 +267,7 @@
    <ClInclude Include="..\..\src\parser.h" />
    <ClInclude Include="..\..\src\region_layer.h" />
    <ClInclude Include="..\..\src\reorg_layer.h" />
    <ClInclude Include="..\..\src\reorg_old_layer.h" />
    <ClInclude Include="..\..\src\rnn_layer.h" />
    <ClInclude Include="..\..\src\route_layer.h" />
    <ClInclude Include="..\..\src\shortcut_layer.h" />