Improvements
- Added model usage examples to Quick Start ([1669](https://github.com/deeppavlov/DeepPavlov/pull/1669)).
Bug Fixes and Other Changes
- Fixed documentation building ([1673](https://github.com/deeppavlov/DeepPavlov/pull/1673)).
- Fixed wrong link in documentation, platforms list and multitask model evaluation ([1668](https://github.com/deeppavlov/DeepPavlov/pull/1668), [#1676](https://github.com/deeppavlov/DeepPavlov/pull/1676), [#1672](https://github.com/deeppavlov/DeepPavlov/pull/1672)).