Update README.md

Review fixes: changed-word range 45-70%, 37 MB for the 29 vectors, size ranges say what they leave out

Ecce Vectors: 29 control vectors for Gemma 4 31B roleplay fine-tunes, with metrics, blind-test results, examples and the fitting code (part 3)

Ecce Vectors: 29 control vectors for Gemma 4 31B roleplay fine-tunes, with metrics, blind-test results, examples and the fitting code (part 2)

Ecce Vectors: 29 control vectors for Gemma 4 31B roleplay fine-tunes, with metrics, blind-test results, examples and the fitting code

initial commit