Helix has got to have one of the easiest configurations. It is this easy to get the markata-go lsp in helix.
markata-go lsp setup --editor helix
# Helix languages.toml (usually ~/.config/helix/languages.toml)
[language-server.markata-go]
command = "markata-go"
args = ["lsp"]
[[language]]
name = "markdown"
language-servers = ["markata-go"]