Merge relevant Abstract and references

• merge the 2 sections
• Make the way references are displayed more compact

deploy/df-wiki/templates/configmap-nginx-conf.yaml

+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: nginx-config
+data:
+  default.conf: |
+    server {
+        listen 8080;
+        server_name localhost;
+        location /wiki {
+            alias /etc/nginx/html/;
+            index index.html index.htm;
+            try_files $uri $uri/ $uri/index.html /index.html =404;
+
+        }
+        error_page 500 502 503 504 /50x.html;
+        location = /50x.html {
+            alias /etc/nginx/html/;
+        }
+    }
\ No newline at end of file