Add GLN attention option

[codecov-commenter]

Codecov Report

Base: 90.85% // Head: 90.87% // Increases project coverage by +0.01% :tada:

Coverage data is based on head (c6a4faa) compared to base (d827042). Patch coverage: 91.89% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #43 +/- ## ========================================== + Coverage 90.85% 90.87% +0.01% ========================================== Files 58 58 Lines 7281 7317 +36 ========================================== + Hits 6615 6649 +34 - Misses 666 668 +2 ``` | [Impacted Files](https://codecov.io/gh/arnor-sigurdsson/EIR/pull/43?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Arnor+Sigurdsson) | Coverage Δ | | |---|---|---| | [eir/models/omics/models\_locally\_connected.py](https://codecov.io/gh/arnor-sigurdsson/EIR/pull/43/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Arnor+Sigurdsson#diff-ZWlyL21vZGVscy9vbWljcy9tb2RlbHNfbG9jYWxseV9jb25uZWN0ZWQucHk=) | `85.96% <91.17%> (+1.90%)` | :arrow_up: | | [eir/models/sequence/transformer\_models.py](https://codecov.io/gh/arnor-sigurdsson/EIR/pull/43/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Arnor+Sigurdsson#diff-ZWlyL21vZGVscy9zZXF1ZW5jZS90cmFuc2Zvcm1lcl9tb2RlbHMucHk=) | `95.65% <100.00%> (+0.05%)` | :arrow_up: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Arnor+Sigurdsson). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Arnor+Sigurdsson)

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