Document 1.3.0: area, column and combined charts, calendar periods, grouping; HACS default store
Document the line chart (v1.2.0): period, source, lines, axes, hover, compact layout
Document the v1.1.0 options: attribute, band entities and icons, color_icon, include/exclude, hide_unavailable, limit
docs: document the 1.0.1 columns, decimals, status and editor changes
docs: clarify unavailable sorting and decimals range
docs: correct how gauges fill a row
docs: document the 1.0 styles, options and editor