fix(readme): Titles and collapsibles

README.adoc

-FofbTool script
----------------
+= FofbTool script
 
 This expert script helps to configure, stop and start the communication between the FofbNodes.
 
 
-Basic usages
-------------
+= Basic usages
 
-Classic: stop, config, start
-~~~~~~~~~~~~~~~~~~~~~~~~~~
+== Classic: stop, config, start
 
 This stops the communication on all the nodes.
 Also stops Bpm to CellNode communication blocks.
@@ -26,7 +23,7 @@ This do not start the FOFB, only the communication.
 WARNING: PSC will receive frames upon start. Better stop the FOFB beforehand.
 
 
-[%collapsible]
+[%collapsible%open]
 ====
 [source,console]
 ----
@@ -71,12 +68,12 @@ INFO    : Starting CCN on ANS/DG/FOFB-CENTRALNODE
 
 ====
 
-Configure OPCUAProxy DS
-~~~~~~~~~~~~~~~~~~~~~
+== Configure OPCUAProxy DS
+
 
 Upon restart of OPCUAProxy Tango DS, to reapply attribute configuration (units, alarm level, descriptions...)
 
-[%collapsible]
+[%collapsible%open]
 ====
 [source,console]
 ----