Update lecture.md
Update lecture.md
kyuridenamida/atcoder-tools,kyuridenamida/ToolsForAtCoder,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/atcoder-tools,kyuridenamida/ToolsForAtCoder