Added statistics cli arg

src/main.cpp

@@ -314,10 +314,13 @@ int main(int argc, const char* argv[])
     std::string input_file;
     cmdl(1) >> input_file;
     
-
     HeightMap map(input_file.c_str());
     if (cmdl[{"-b", "--blur"}])
         map.blur(0.8);
+
+    if (cmdl[{"--stats"}])
+        map.statistics();
+
     auto lines = create_lines(&map, interval);
     write_output_file(lines, output_file.c_str(), &map);
     std::cout << "Contours written to " << output_file << " 🗺️\n";