Added some infirmation regarding images

wikipedia_to_hdoc/README.md

@@ -87,7 +87,11 @@ Concerning tables :
 
 3 - Display complex tables as tables in Opale (not as extern files)
 
- 
+Technical notes
+---------------
+For images you can refer to the  get-ressources-with-meta.xsl  and  official-meta.xml. Read the commentary and it will help you 
+to finish the to do task regarding images. These files are included just for the seek of Capitalization.
+
 Be aware of the following things
 ---------------------------------------------------------
 1 - Not all images have a metadata information (only the ones who )