add PYRET to example

Author: jpolitz

.env.example

@@ -7,6 +7,7 @@ REDISCLOUD_URL=""
 USE_STANDALONE_PYRET=true
 PYRET_RELEASE_BASE="/js"
 CURRENT_PYRET_RELEASE=""
+PYRET="http://localhost:5000/js/cpo-main.jarr"
 PORT=5000
 NODE_ENV=development
 OK_GOOGLE_IDS="{\"0B32bNEogmncO\":\"[email protected]\"}"