Create bdd.yml

[bairixie]

created bdd.yml file

[codecov[bot]]

Codecov Report

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

Project coverage is 95.65%. Comparing base (81dd635) to head (f30960c).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #52 +/- ## ======================================= Coverage 95.65% 95.65% ======================================= Files 11 11 Lines 391 391 ======================================= Hits 374 374 Misses 17 17 ```

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[bairixie]

Do I just merge it by myself?

[nedjulius]

yup