Feat: lag-frequency reverberation calculations

[codecov-commenter]

Codecov Report

Patch coverage: 36.73% and project coverage change: -0.60% :warning:

Comparison is base (24ddf39) 69.10% compared to head (85b6abd) 68.51%.

:exclamation: Your organization is not using the GitHub App Integration. As a result you may experience degraded service beginning May 15th. Please install the GitHub App Integration for your organization. Read more.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #157 +/- ## ========================================== - Coverage 69.10% 68.51% -0.60% ========================================== Files 61 62 +1 Lines 2635 2674 +39 ========================================== + Hits 1821 1832 +11 - Misses 814 842 +28 ``` | [Files Changed](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/157?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol) | Coverage Δ | | |---|---|---| | [src/corona/corona-models.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/157?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2Nvcm9uYS9jb3JvbmEtbW9kZWxzLmps) | `83.33% <ø> (ø)` | | | [src/reverberation.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/157?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL3JldmVyYmVyYXRpb24uamw=) | `0.00% <0.00%> (ø)` | | | [src/transfer-functions/transfer-functions-2d.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/157?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL3RyYW5zZmVyLWZ1bmN0aW9ucy90cmFuc2Zlci1mdW5jdGlvbnMtMmQuamw=) | `80.30% <ø> (ø)` | | | [src/Gradus.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/157?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL0dyYWR1cy5qbA==) | `27.08% <50.00%> (+0.99%)` | :arrow_up: | | [src/corona/emissivity.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/157?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2Nvcm9uYS9lbWlzc2l2aXR5Lmps) | `100.00% <100.00%> (+6.25%)` | :arrow_up: | | [src/corona/models/lamp-post.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/157?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2Nvcm9uYS9tb2RlbHMvbGFtcC1wb3N0Lmps) | `100.00% <100.00%> (ø)` | | | [src/corona/models/moving-source.jl](https://app.codecov.io/gh/astro-group-bristol/Gradus.jl/pull/157?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=astro-group-bristol#diff-c3JjL2Nvcm9uYS9tb2RlbHMvbW92aW5nLXNvdXJjZS5qbA==) | `90.00% <100.00%> (ø)` | |

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.