Update README.md

Remove old data/ folder after moving to root

Move 153 files from data/ to root with standard naming

Remove old split folders after rename

Rename 153 splits to include _of_153

Complete: 766,628 rows in 154 files

Progress: 766,628 rows, 154 files, 77 tars

Add train_154 from tar 77

Add train_153 from tar 77

Progress: 756,628 rows, 152 files, 76 tars

Add train_152 from tar 76

Add train_151 from tar 76

Progress: 746,628 rows, 150 files, 75 tars

Add train_150 from tar 75 (final)

Add train_149 from tar 75

Progress: 739,965 rows, 148 files, 74 tars

Add train_148 from tar 74

Add train_147 from tar 74

Progress: 729,965 rows, 146 files, 73 tars

Add train_146 from tar 73

Add train_145 from tar 73

Progress: 719,965 rows, 144 files, 72 tars

Add train_144 from tar 72

Add train_143 from tar 72

Progress: 709,965 rows, 142 files, 71 tars

Add train_142 from tar 71

Add train_141 from tar 71

Progress: 699,965 rows, 140 files, 70 tars

Add train_140 from tar 70

Add train_139 from tar 70

Progress: 689,965 rows, 138 files, 69 tars

Add train_138 from tar 69

Add train_137 from tar 69

Progress: 679,965 rows, 136 files, 68 tars

Add train_136 from tar 68

Add train_135 from tar 68

Progress: 669,965 rows, 134 files, 67 tars

Add train_134 from tar 67 (final)

Add train_133 from tar 67

Progress: 659,966 rows, 132 files, 66 tars

Add train_132 from tar 66

Add train_131 from tar 66

Progress: 649,966 rows, 130 files, 65 tars

Add train_130 from tar 65

Add train_129 from tar 65

Progress: 639,966 rows, 128 files, 64 tars

Add train_128 from tar 64

Add train_127 from tar 64

Progress: 629,966 rows, 126 files, 63 tars

Add train_126 from tar 63