feat(log_writer): include anchor in header
feat(log_writer): include anchor in header

This is so that one can directly link to a
specific version.

Relates to #10

clog-tool/clog-cli,kentcdodds/clog,badboy/clog-lib,kbknapp/clog,semantic-rs/clog-lib,Vinatorul/clog-lib,kentcdodds/clog,semantic-rs/clog-lib,badboy/clog-lib,clog-tool/clog-lib,thoughtram/clog,clog-tool/clog-cli,Vinatorul/clog-lib,Vinatorul/clog-cli