Welsh: translation keys and locale
Welsh: translation keys and locale

Left translation of 'Pan' as 'Pan' as not sure how to translate. Some other terms are tentative but hopefully intelligible to Welsh speakers @carlmorris @illtud @meigwilym
aburato/plotly.js,plotly/plotly.js,asolagmbh/plotly.js,etpinard/plotly.js,asolagmbh/plotly.js,plotly/plotly.js,plotly/plotly.js,etpinard/plotly.js,asolagmbh/plotly.js,etpinard/plotly.js,aburato/plotly.js,plotly/plotly.js