chore: import upstream snapshot with attribution

postgresql/edit_manual.cgi

@@ -0,0 +1,17 @@
+#!/usr/local/bin/perl
+# Show a config file for manual editing
+
+require './postgresql-lib.pl';
+$access{'users'} || &error($text{'host_ecannot'});
+&ui_print_header(undef, $text{'manual_title'}, "");
+
+# Config editor
+print &ui_form_start("save_manual.cgi", "form-data");
+print $form_hiddens;
+print &ui_table_start(undef, undef, 2);
+print &ui_table_row(undef,
+	&ui_textarea("data", &read_file_contents($hba_conf_file), 20, 80), 2);
+print &ui_table_end();
+print &ui_form_end([ [ undef, $text{'save'} ] ]);
+
+&ui_print_footer("", $text{'index_return'});