<commit_before><commit_msg>Adds TODO.txt.<commit_after>Todo:

1. Add optional configuration options:
  Lnkly.configure do |config|
    config.username = "user"
    config.password = "<PASSWORD>"
  end

  Should default to ENV['LNKLY_USERNAME'], ENV['LNKLY_PASSWORD']

2. Add stat collection (query-able by data/tags)
3. URL validation for shorten, but skippable
4. Optional data/tags to associate with shortened link
{'fraction_non_alphanumeric': 0.10096153846153846, 'fraction_numerical': 0.009615384615384616, 'mean_word_length': 4.712328767123288, 'pattern_counts': {'":': 0, '<': 4, '<?xml version=': 0, '>': 4, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '6824010', 'n_tokens_mistral': 136, 'n_tokens_neox': 129, 'n_words': 42}