Datar

- 🐛 Fix weighted_mean not working for grouped data (133)
- ✅ Add tests for weighted_mean on grouped data
- ⚡️ Optimize distinct on existing columns (128)

- 🐛 Fix columns missing after Join by same columns using mapping (122)

- ➖ Add optional deps to extras so they aren't installed by default
- 🎨 Giva better message when optional packages not installed

- ⬆️ Upgrade pipda to v0.6
- ⬆️️ Upgrade thon-simpleconf to 5.5

- ♻️ Move `glimpse` to `dplyr` (as `glimpse` is a `tidyverse-dplyr` [API](https://dplyr.tidyverse.org/reference/glimpse.html))
- 🐛 Fix `glimpse()` output not rendering in qtconsole (117)
- 🐛 Fix `base.match()` for pandas 1.3.0
- 🐛 Allow `base.match()` to work with grouping data (115)
- 📌 Use `rtoml` (`python-simpleconf`) instead of `toml` (See https://github.com/pwwang/toml-bench)
- 📌 Update dependencies

- 🐛 Fix `month_abb` and `month_name` being truncated (112)
- 🐛 Fix `unite()` not keeping other columns (111)