Added extra costs to report and services total cost

- Removed start and end data from extracosts
- Created extracosts daily imprint table
- Created plugin to creating imprints
- Created plugin for report
Fix migrations
Added docstrings and little clean

- Added docstrings
Fix tests and flake8

- Fixed tests
- Created mocks for future tests
- Fixed flake8
fix flake8
Remove migrations and change model name
Merge branch 'develop' into feature/migrate-extra-costs
Update migrations

- Move historical costs from ExtraCost to DailyExtraCost
fix notic
Fix calculating total cost of extra costs

- Fix calculating total cost of extra costs
Fix 0 / 0
Fix only one think
Change exception instand error
Upgrade total costs
fix flake8
Change venture query to ventures
Added tests
fix flake8
Update Authors

Added 2 new ppl
Merge pull request #164 from kula1922/hotfix/fix-teams-plugin

Fix 0 / 0