Adding Catch2 unit testing framework. Init characteristics serializer tests.

Unit testing/characteristics_tests.cpp

@@ -0,0 +1,17 @@
+#include <catch2/catch.hpp>
+
+TEST_CASE("Serialize adresse", "[serialize][0]") {
+
+}
+
+TEST_CASE("Serialize chance", "[serialize][1]") {
+
+}
+
+TEST_CASE("Serialize endurance", "[serialize][2]") {
+
+}
+
+TEST_CASE("Serialize habilete", "[serialize][3]") {
+
+}