Better readme

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (24939d2) 100.00% compared to head (a17310c) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #110 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 19 19 Lines 523 525 +2 ========================================= + Hits 523 525 +2 ``` | [Impacted Files](https://app.codecov.io/gh/inpefess/gym-saturation/pull/110?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Boris+Shminke) | Coverage Δ | | |---|---|---| | [gym\_saturation/envs/vampire\_env.py](https://app.codecov.io/gh/inpefess/gym-saturation/pull/110?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Boris+Shminke#diff-Z3ltX3NhdHVyYXRpb24vZW52cy92YW1waXJlX2Vudi5weQ==) | `100.00% <100.00%> (ø)` | | | [gym\_saturation/vampire\_wrapper.py](https://app.codecov.io/gh/inpefess/gym-saturation/pull/110?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Boris+Shminke#diff-Z3ltX3NhdHVyYXRpb24vdmFtcGlyZV93cmFwcGVyLnB5) | `100.00% <100.00%> (ø)` | |

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