docs: Mention --enable-regexp-cmd requires the project name key

[nitrocode]

what

• Mention --enable-regexp-cmd requires the project name key

why

• Without the optional name key defined, the --enable-regexp-cmd with atlantis plan -p .* will return nothing.

references

• https://www.runatlantis.io/docs/server-configuration.html#enable-regexp-cmd

atlantis/server/events/project_command_builder.go

Lines 494 to 500 in bab5c62

	if p.EnableRegExpCmd {
	projectsCfg = repoCfg.FindProjectsByName(projectName)
	} else {
	if p := repoCfg.FindProjectByName(projectName); p != nil {
	projectsCfg = append(projectsCfg, *p)
	}
	}

atlantis/server/core/config/valid/repo_cfg.go

Lines 64 to 70 in bab5c62

	for _, p := range r.Projects {
	if p.Name != nil {
	if match, _ := regexp.MatchString(sanitizedName, *p.Name); match {
	ps = append(ps, p)
	}
	}
	}

[GenPage]

LGTM