added stub for env features

1245d1c7 · Olivier Breuleux · ae146361 · 1245d1c7
--- a/doc/advanced/features.txt
+++ b/doc/advanced/features.txt
+.. _envfeaturelist:
+====================
+List of Env Features
+====================
+WRITEME
+.. _nodefinder:
+NodeFinder
+==========
+WRITEME