[i18n] Add translators comment about Markdown (#5752)
[i18n] Add translators comment about Markdown (#5752)

As pointed out by @comradekingu on <https://hosted.weblate.org/translate/koreader/koreader/en/?q=has:comment#comments> it looks like some translators have mistakenly interpreted this as a reduction in price.
Frenzie/koreader,mihailim/koreader,Frenzie/koreader,mwoz123/koreader,poire-z/koreader,poire-z/koreader,NiLuJe/koreader,koreader/koreader,koreader/koreader,Hzj-jie/koreader,pazos/koreader,NiLuJe/koreader,Markismus/koreader