* Add Metharme tokenizing strategy
This strategy accounts for how the Metharme JSONLs are formatted as well as adds duplicated EOS tokens which can help trim model output length.
I haven't gotten the chance to test this yet, and probably won't have the chance for quite a bit, so I'm committing this now.
* Redo Metharme tokenizing strategy
lol
* fix: oops
* Rearrange a conditional
* chore: reformat code in accordance with linter
* chore: Make lint not freak out
* chore: fix lint
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Co-authored-by: NanoCode012 <kevinvong@rocketmail.com>