Fix extra id.

Author: Jadarma

docs/writerside.cfg

@@ -7,7 +7,7 @@
 
     <build-config dir="config"/>
     <topics dir="topics"/>
-    <images dir="images" web-path="advent-of-code-kotlin"/>
+    <images dir="images" web-path="images" />
 
-    <instance src="aockt.tree" version="%aockt-version%"/>
+    <instance src="aockt.tree" version="%aockt-version%" web-path="/advent-of-code-kotlin/"/>
 </ihp>