docs: Fix broken link to dev guide

saig0 · saig0 · commit 1d6d213ba238 · 2024-09-04T06:02:26.000+02:00
diff --git a/docs/docs/developer-guide/developer-guide-introduction.md b/docs/docs/developer-guide/developer-guide-introduction.md
@@ -1,6 +1,7 @@
 ---
 id: developer-guide-introduction
 title: Introduction
+slug: /developer-guide/
 ---
 
 You can embed the FEEL engine in your application in different ways. Have a look
diff --git a/docs/versioned_docs/version-1.18/developer-guide/developer-guide-introduction.md b/docs/versioned_docs/version-1.18/developer-guide/developer-guide-introduction.md
@@ -1,6 +1,7 @@
 ---
 id: developer-guide-introduction
 title: Introduction
+slug: /developer-guide/
 ---
 
 You can embed the FEEL engine in your application in different ways. Have a look
