Add demo for retrieving book titles from DeLiKo@DNB

Change-Id: I96fcdf0593fe5e8e8b29ba70b9c08d1a62f72a80
diff --git a/demo/00Index b/demo/00Index
index 8a1200f..537de21 100644
--- a/demo/00Index
+++ b/demo/00Index
@@ -16,3 +16,4 @@
 pluralGenderVariants            Plot frequencies of the plural gender variants of a word in the core corpus of the Council for German Orthography (OKK) over time.
 adjectiveCollocates             Shows adjective collocates of 'Gendern'.
 relativeTextpositionBoxplot     Plot the relative text positions of a some adverbs as highcharter boxplot.
+retrieveTitlesFromDeliko				Retrieves and shows all titles from novels of a chosen genre in the DeLiKo@DNB German fiction corpus.