add breakpad support on linux

src/breakpad_client.cpp

@@ -0,0 +1,10 @@
+#include "./breakpad_client.hpp"
+
+// if linux
+
+bool dumpCallback(const google_breakpad::MinidumpDescriptor& descriptor, void*, bool succeeded) {
+	fprintf(stderr, "Crash detected, MiniDump written to: %s\n", descriptor.path());
+	return succeeded;
+}
+
+// endif linux