[codex] improve search and filter controls#602

Sean-Kenneth-Doherty wants to merge 3 commits into

firstcontributions:mainfirstcontributions/firstcontributions.github.io:mainfrom

Sean-Kenneth-Doherty:codex/add-search-filter-iconsSean-Kenneth-Doherty/firstcontributions.github.io:codex/add-search-filter-iconsCopy head branch name to clipboard