feat(log): rotate log file on each session (#3445)

* Update lib.rs

* docstring for file_open_strategy

* Create log-file-open-strategy.md

* Update plugins/log/src/lib.rs

Co-authored-by: Tony <68118705+Legend-Master@users.noreply.github.com>

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Co-authored-by: Tony <68118705+Legend-Master@users.noreply.github.com>