Update style for bibliography sections (#212)

The default style for `[bibliography]` sections includes bullet points and padding. This change removes both.

preview-src/bibliography.adoc

@@ -0,0 +1,12 @@
+= Use of `bibliography`
+
+Citations with xreftext: <<Brandes2001>>, <<Brandes2007>>.
+
+Citations without xreftext (ID only): <<Freeman1977>>.
+
+[bibliography]
+== References
+
+* [[[Brandes2001, 1]]] Brandes, Ulrik. "A faster algorithm for betweenness centrality." _Journal of mathematical sociology_ 25, no. 2 (2001): 163-177. link:https://snap.stanford.edu/class/cs224w-readings/brandes01centrality.pdf[].
+* [[[Brandes2007, 2]]] Brandes, Ulrik, and Christian Pich. "Centrality estimation in large networks." _International Journal of Bifurcation and Chaos_ 17, no. 07 (2007): 2303-2318. link:https://www.uni-konstanz.de/mmsp/pubsys/publishedFiles/BrPi07.pdf[].
+* [[[Freeman1977]]] Freeman, Linton C. "A set of measures of centrality based on betweenness." _Sociometry_ (1977): 35-41.

preview-src/ui-model.yml

@@ -208,6 +208,9 @@ page:
     - content: Algorithms
       url: algorithms.html
       urlType: internal
+    - content: Bibliography
+      url: bibliography.html
+      urlType: internal
     - content: Private Page
       url: private-page.html
       urlType: internal

src/css/neo4j-docs.css

@@ -417,3 +417,8 @@ div.beta-symbol p::before {
   background-color: var(--warning-background-color);
   color: var(--warning-color);
 }
+
+ul.bibliography {
+  list-style-type: none;
+  padding-left: 0;
+}