curl: add --header example
curl: add --header example

ArturSkowronski/tldr,AgamAgarwal/tldr,katekyan/tldr,cptdeka10/tldr,mshmoustafa/tldr,felixonmars/tldr,UncommonPleb/tldr,UncommonPleb/tldr,cptdeka10/tldr,slash3b/tldr,felixonmars/tldr,mshmoustafa/tldr,katekyan/tldr,rubenvereecken/tldr,AgamAgarwal/tldr,kuanyui/tldr,deekim/tldr,UncommonPleb/tldr,cptdeka10/tldr,Phizho/tldr,Phizho/tldr,slash3b/tldr,WALL-E/tldr,Phizho/tldr,WALL-E/tldr,rubenvereecken/tldr,zoisom/tldr,deekim/tldr,kuanyui/tldr,zoisom/tldr,zoisom/tldr,igorshubovych/tldr,deekim/tldr,ArturSkowronski/tldr,felixonmars/tldr,slash3b/tldr,igorshubovych/tldr,katekyan/tldr