Change the include path in examples as #175 (#180)

* Change the include path in examples as #175

* Change include path in scripts
diff --git a/examples/executable_dll_and_plugin/implementation.cpp b/examples/executable_dll_and_plugin/implementation.cpp
index 0e468cc..9561651 100644
--- a/examples/executable_dll_and_plugin/implementation.cpp
+++ b/examples/executable_dll_and_plugin/implementation.cpp
@@ -1,6 +1,6 @@
 #define DOCTEST_CONFIG_IMPLEMENTATION_IN_DLL
 #define DOCTEST_CONFIG_IMPLEMENT
-#include "doctest.h"
+#include <doctest/doctest.h>
 
 DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_BEGIN
 #include <cstdio>