updated node version to 18, updated npm packages where possible (semantic/fomantic is out of date and has some old dependencies), and revised which packages are dev and which are production (ansible deploy now only installs production dependencies on the servers)
updated node version to 18, updated npm packages where possible (semantic/fomantic is out of date and has some old dependencies), and revised which packages are dev and which are production (ansible deploy now only installs production dependencies on the servers)
completed in #580