[MIG] migration to 15.0

.editorconfig

.eslintrc.yml

.flake8

.gitignore

.isort.cfg

.pre-commit-config.yaml

.prettierrc.yml

.pylintrc

.pylintrc-mandatory

__init__.py

__manifest__.py

models/__init__.py

models/account_move.py

models/sale.py

static/src/css/report_style.css

views/account_move_view.xml

views/assets_pdf.xml

views/sales_view.xml