docs: add venv setup instructions to README

chore: remove Prisma integration — tool is now purely about database migration

refactor: split migrate.py into mysql2pg/ package

docs: add Docker container management section to README

fix: add tinyint-to-boolean transform for -1 values

feat: map TINYINT to BOOLEAN instead of SMALLINT

fix: prevent datetime timezone shift during migration

fix(cli): resolve rich markup error in schema diff report

fix(cli): resolve rich markup error in validation output

feat: add HTML migration report and concise console output

fix: replace tinyint→boolean with tinyint→smallint to preserve all data

docs: update README for pgloader 3.6.7 fixes and schema-aware validation

fix: remove 'using tinyint-to-boolean' — pgloader 3.6.7 treats 'using' as terminal

fix: add drop typemod to boolean CAST rules — prevents boolean(1) error

fix: always save pgloader logs and show summary on success