Pairplots

[Diff since v2.3.0](https://github.com/sefffal/PairPlots.jl/compare/v2.3.0...v2.3.1)

[Diff since v2.2.0](https://github.com/sefffal/PairPlots.jl/compare/v2.2.0...v2.3.0)

New Features

- added a new TrendLines series that fits and plots a line of best fit

[Diff since v2.1.0](https://github.com/sefffal/PairPlots.jl/compare/v2.1.0...v2.2.0)

[Diff since v2.0.1](https://github.com/sefffal/PairPlots.jl/compare/v2.0.1...v2.1.0)


**Merged pull requests:**
- Skip rows with missing values and add annotation (29) (sefffal)
- Add support for units (Unitful and DynamicQuantities) (30) (sefffal)
- CompatHelper: add new compat entry for Missings at version 1, (keep existing compat) (31) (github-actions[bot])
- CompatHelper: add new compat entry for TableOperations at version 1, (keep existing compat) (32) (github-actions[bot])
- Fix usage of Tables.jl interface (35) (eliascarv)

**Closed issues:**
- Add support for Unitful.jl (22)
- FR: skip missing values (25)
- Bug with custom table types (34)

[Diff since v2.0.0](https://github.com/sefffal/PairPlots.jl/compare/v2.0.0...v2.0.1)


**Merged pull requests:**
- Update to Makie.jl v0.20 & Add ".gitignore" (28) (eliascarv)

**Closed issues:**
- Update to Makie.jl v0.20 (27)

[Diff since v1.1.2](https://github.com/sefffal/PairPlots.jl/compare/v1.1.2...v2.0.0)

* Improve support for MCMCChains (especially those returned by Turing).
* No longer display internal chain parameters e.g. log density by default (can still be passed in manually)
* Fixes 20.
Breaking release because people might have been relying on `pairplot` plotting internal columns and this would change the output.

**Merged pull requests:**
- CompatHelper: add new compat entry for Statistics at version 1, (keep existing compat) (24) (github-actions[bot])

**Closed issues:**
- Patch release (23)