Add example cgi-script

cgi-bin/envtest.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+echo GATEWAY_INTERFACE:    $GATEWAY_INTERFACE
+echo GEMINI_DOCUMENT_ROOT: $GEMINI_DOCUMENT_ROOT
+echo GEMINI_URL:           $GEMINI_URL
+echo GEMINI_URL_PATH:      $GEMINI_URL_PATH
+echo PATH_INFO:            $PATH_INFO
+echo PATH_TRANSLATED:      $PATH_TRANSLATED
+echo QUERY_STRING:         $QUERY_STRING
+echo REMOTE_ADDR:          $REMOTE_ADDR
+echo REMOTE_HOST:          $REMOTE_HOST
+echo SERVER_NAME:          $SERVER_NAME
+echo SERVER_PORT:          $SERVER_PORT
+echo SERVER_PROTOCOL:      $SERVER_PROTOCOL
+echo SERVER_SOFTWARE:      $SERVER_SOFTWARE
+exit 0