feat: apply content corrections by ealloza, such as update h12o-isaric diagram and add several paragraphs

refactor: change data directory in order to not be included in the repo for automatization processes

fix: literature and projects tables now stay in the same row than filters; download button in literature now does not expland to its div width

feat(#13): in literature, add extra hidden colums to make a usable CSV when downloading the table; put back the manual curation disclaimers and last update date

fix: replace Spanish 'Riesgo entrante'/'Riesgo saliente' with English 'Incoming risk'/'Outgoing risk' in FlowMaps widget