fixes and improvements

_config.yml

_data/nav.yml

_i18n/de.yml

_i18n/en.yml

_i18n/es.yml

_i18n/fr.yml

_i18n/hi.yml

_i18n/ru.yml

_i18n/zh.yml

_nodeop/index.md

_resources/developeradvocate.md

_resources/hivesigner.md

_resources/hivesigner_libs.md

_resources/jussi.md

_resources/tools.md

_services/dhf.md

_services/ecency.com.md

_services/hive.blog.md

_services/imageHoster.md

_services/videoHoster.md