add markdown linting here

[arhimede]

per project
we need markdown linting
laminas style
// Global markdownlint config for all generated .md files.
// Referenced explicitly via --config, because markdownlint-cli2 only
// inherits config from ancestor directories of the linted file, which
// would never reach $HOME for files outside it.
{
"default": true,
"MD007": { "indent": 4 },
"MD013": false,
"MD014": false,
"MD024": false,
"MD025": { "front_matter_title": "" },
"MD028": false,
"MD031": { "list_items": false },
"MD034": false
}