Add cvec and data

.gitignore

cvec_0.ipynb

cvec_1.ipynb

data.ipynb

data/sample_submission.csv

data/test_essays.csv

data/train_essays.csv

data/train_essays_7_prompts.csv

data/train_essays_7_prompts_v2.csv

data/train_essays_RDizzl3_seven_v1.csv

data/train_essays_RDizzl3_seven_v2.csv

data/train_prompts.csv

submission.ipynb