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/all_features/templated_test_cases.cpp b/examples/all_features/templated_test_cases.cpp
index 2564367..6d08dd4 100644
--- a/examples/all_features/templated_test_cases.cpp
+++ b/examples/all_features/templated_test_cases.cpp
@@ -1,4 +1,4 @@
-#include "doctest.h"
+#include <doctest/doctest.h>
 
 DOCTEST_MAKE_STD_HEADERS_CLEAN_FROM_WARNINGS_ON_WALL_BEGIN
 #include <vector>