add a bit documentation to text index fields of the "dalia" dataset

config/dalia.ttl

@@ -103,30 +103,37 @@
     text:graphField   "graph" ;
     text:map (
         [
+            # title of learning resources and communities
             text:field     "dctermsTitle" ;
             text:predicate dcterms:title
         ]
         [
+            # description of learning resources and communities
             text:field     "dctermsDescription" ;
             text:predicate dcterms:description
         ]
         [
+            # subtitle of learning resources
             text:field     "fabioHasSubtitle" ;
             text:predicate fabio:hasSubtitle
         ]
         [
+            # keywords of learning resources
             text:field     "schemaKeywords" ;
             text:predicate schema:keywords
         ]
         [
+            # name of organization authors in learning resources
             text:field     "schemaName" ;
             text:predicate schema:name
         ]
         [
+            # family name of person authors in learning resources
             text:field     "schemaFamilyName" ;
             text:predicate schema:familyName
         ]
         [
+            # given name of person authors in learning resources
             text:field     "schemaGivenName" ;
             text:predicate schema:givenName
         ]