chore: import upstream snapshot with attribution

help/index.cgi

@@ -0,0 +1,25 @@
+#!/usr/local/bin/perl
+# index.cgi
+# Display the help search form
+
+require './help-lib.pl';
+&ui_print_header(undef, $text{'index_title'}, "", "intro", 0, 1);
+my @list_modules;
+foreach $m (&list_modules()) {
+    push(@list_modules, [ $m->[0], $m->[1]->{'desc'} ]);
+}
+
+print &ui_form_start("search.cgi", "post");
+print &ui_table_start($text{'index_header'}, undef, 2);
+print &ui_table_row($text{'index_terms'},
+	&ui_textbox("terms", undef, 50));
+print &ui_table_row($text{'index_mods'}, 
+        &ui_radio("all", 1,
+		[ [ 1, $text{'index_all'} ],
+		[ 0, $text{'index_sel'} ] ])."<br>\n".
+        &ui_select("mods", undef, \@list_modules, 5, 1));
+print ui_table_end();
+print &ui_form_end([ [ undef, $text{'index_search'} ] ]);
+
+&ui_print_footer("/", $text{'index'});
+