chore: sync files with beam-community/common-config · beam-community/scrivener_headers@16531e4

in order to compile .yrl files, you must add "compilers: [:yecc] ++ Mix.compilers()" to the "def project" section of earmark_parser's mix.exs

in order to compile .xrl files, you must add "compilers: [:leex] ++ Mix.compilers()" to the "def project" section of earmark_parser's mix.exs

~R/.../ is deprecated, use ~r/.../ instead