Update README.md

fix(tokenizer): Sets fim and think tokens to non-special, and removes unk_token.

fix(tokenizer_config): Sets fim and think tokens to non-special, and removes unk_token.

fix(special_tokens_map): Removes unk_token.

chore(root): Adds top_k information even if 50 is already the default.

Update README.md

Update README.md

Update README.md

Add link to paper (#5)

fix(root): Use a better placement for the "Usage" section. (#4)

chore(root): Adds files.

initial commit