add link to contest site

Author: exoji2e

_config.yml

@@ -7,7 +7,7 @@ defaults:
   - scope:
       path: "ncpc2023"
     values:
-      lastUpdate: "2023-10-02"
+      lastUpdate: "2023-10-06"
 
 kramdown:
   parse_block_html: true

ncpc2023/compete.md

@@ -11,6 +11,8 @@ year: 2023
   <h3>Compete</h3>
 </div>
 
+- Constest site: [https://ncpc23.kattis.com/](https://ncpc23.kattis.com/)
+
 Join the Nordic Collegiate Programming Contest (NCPC) and test your skills in competitive programming! Whether you're looking to become the Nordic Champion or just want to have fun solving engaging problems, NCPC is the perfect platform for you.
 
 NCPC is held at the local [sites listed below](#sites).

ncpc2023/index.md

@@ -24,6 +24,19 @@ Each university hosts their own local site. Scoreboards are maintained for local
   <h3>News</h3>
 </div>
 
+<div class="news-item">
+<i>2023-10-06</i>
+
+The contest site is live at [https://ncpc23.kattis.com/](https://ncpc23.kattis.com/)
+
+Teams will be imported tonight.
+
+</div>
+<div class="news-item">
+<i>2023-10-04</i>
+
+The registration is closed.
+</div>
 <div class="news-item">
 <i>2023-08-05</i>