feature: write annotations to a branch

[ideepu]

Add User dataclass
Add new exceptions Conflict and ValidationFailed
Split generating annotations as separate function

[ideepu]

Coverage report

Click to see coverage of changed files

File	Statements	Missing	Branches	Missing	Coverage	Coverage          (new stmts)	Lines missing	Branches missing
codecov
github.py
github_client.py
main.py
settings.py
Project Total

Click to see whole project coverage

File	Statements	Missing	Branches	Missing	Coverage	Lines missing	Branches missing
codecov
badge.py
coverage.py
diff_grouper.py
groups.py
log.py
template.py
Project Total

_{This report was generated by [CI-codecov]}