docs: 📔 added docs for megawatt hours

Merge pull request #69 from flixlix/feat-mwh

feat: ✨ create Mwh unit

Merge pull request #55 from flixlix/53-feature-request-secondary-info…

…-shows-decimals

feat: add secondary decimals

docs: add list of entities

Merge pull request #33 from flixlix/feat-add-energy-date-selection-to…

…-ui-editor

feat: `energy_date_selection` in ui editor

docs: add state_of_charge options

Merge branch 'main' of https://github.com/flixlix/energy-flow-card-plus

Merge pull request #24 from flixlix/fix-state-type-fossil

fix: reintroduce `non_fossil` state type percentage

fix: remove clg

Merge pull request #19 from flixlix/18-bug-battery-capacity-show-alwa…

…ys-0

fix: state of charge not working