Ohdear-sdk

Added
- Add support for mixed contents

Added
- Add support for certificates

Changed
- Added long description for PyPi

Added
- Add support for checks
- Add support for cron checks
- Add support for broken links

Changed
- **BREAKING**: Moved types from `ohdear.models` to `ohdear.types`

Added
- Add stricter typing and tests

Changed
- **BREAKING**: Added SitesCollection `TypedDict` (sites are now under a `data` key)

Added
- Add support for `/me`