adds mdl_glm

[codecov[bot]]

Codecov Report

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

Comparison is base (4594cbf) 98.35% compared to head (c9fff9e) 98.36%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #50 +/- ## ======================================= Coverage 98.35% 98.36% ======================================= Files 14 14 Lines 1094 1100 +6 ======================================= + Hits 1076 1082 +6 Misses 18 18 ```

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