Merge pull request #4 from pentatonick/fix-trace-tool-compilation-err…

…or-std-put_time

fixed trace_tool/src/Main.cpp compilation error in ubuntu-latest docker image

tool/trace_tool/src/Main.cpp

@@ -6,6 +6,7 @@
 #include <set>
 #include <string>
 #include <vector>
+#include <iomanip> // for std::put_time
 
 using minecpp::nbt::CompoundContent;
 
@@ -100,4 +101,4 @@ int main(int argc, char **argv)
    }
 
    return 0;
-}
+}