move sections of daisy to subsections

external/daisy/daisy.md

@@ -14,13 +14,13 @@ This howto-card is the user guide for the Data Information System (DAISY). If it
 * TOC
 {:toc}
 
-{% include_relative at_a_glance.md %}
-{% include_relative interface_conventions.md %}
-{% include_relative project_management.md %}
-{% include_relative dataset_management.md %}
-{% include_relative contract_management.md %}
-{% include_relative definitions_management.md %}
-{% include_relative user_management.md %}
+{% include_relative _at_a_glance.md %}
+{% include_relative _interface_conventions.md %}
+{% include_relative _project_management.md %}
+{% include_relative _dataset_management.md %}
+{% include_relative _contract_management.md %}
+{% include_relative _definitions_management.md %}
+{% include_relative _user_management.md %}
 
 
 <!--- Below fragment is needed for TOC in iAWriter PDF export