Updated examples, added READMEs for Windows projects

examples/cpp_vsproj_dll/README.md

@@ -0,0 +1,11 @@
+## libzt in C++ via DLL import
+***
+
+ - Add [libzt.dll]() and [libzt.lib]() to solution as existing items. 
+ - Place [libzt.dll](libzt.dll) in the same directory as the executable. 
+ - Include `libzt.h` in application source.
+ - Access functions grlobally like so: `zts_socket(...)`
+
+*** 
+
+The Windows `.dll` and `.lib` files are provided pre-built at the above links, but if you'd like build instructions you can check out [BUILDING.md](../../BUILDING.md)