fix: Fix make_docs.nu for Nu v0.93.0 (#1389)

make_docs.nu

@@ -1,21 +1,22 @@
 # get all command names from a clean scope
 def command-names [] {
- const plugins = [
+ const PLUGINS = [
  nu_plugin_inc,
  nu_plugin_gstat,
  nu_plugin_query,
+ nu_plugin_polars,
  nu_plugin_formats,
  ]
  let nu_dir = (which nu) | get path.0 | path dirname
- mut register_cmd = ''
- for plugin in $plugins {
+ mut plugins = []
+ for plugin in $PLUGINS {
  if (sys).host.name == 'Windows' {
- $register_cmd += $'register ($nu_dir | path join $plugin).exe;'
+ $plugins ++= $'($nu_dir | path join $plugin).exe'
  } else {
- $register_cmd += $'register ($nu_dir | path join $plugin);'
+ $plugins ++= $'($nu_dir | path join $plugin)'
  }
  }
- nu --no-config-file --commands $'($register_cmd) scope commands | select name | to json'
+ nu --no-config-file --plugins ($plugins | to nuon) --commands $'scope commands | select name | to json'
  | from json
 }