Add release notes to 0.8.0

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 89.78%. Comparing base (f1fddd0) to head (7ea6c87).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #387 +/- ## ======================================== Coverage 89.78% 89.78% ======================================== Files 120 120 Lines 7653 7653 Branches 675 675 ======================================== Hits 6871 6871 Misses 651 651 Partials 131 131 ```

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