Update 00_openstudio.md

Author: amber289

arch134b_workshops/docs/00_openstudio.md

@@ -1,4 +1,6 @@
 # Direct Conversion from Rhino to OpenStudio
+If you want to conduct all of your energy performance simulations in the OpenStudio software itself and need the OSM file, here is a direct way to obtain it through Grasshopper environment. 
+
 ```{image} ../_static/start/conversion2osm.png
 :width: 100%
 :align: center