Add kotlincookbook topic metadata

Author: dryfish09

topics/kotlincookbook/index.md

@@ -0,0 +1,19 @@
+---
+aliases: kotlin-recipes, learn-kotlin-by-examples
+display_name: Kotlin CookBook
+short_description: Learn Kotlin through fun, recipe-style examples - perfect for beginners!
+topic: kotlincookbook
+related: kotlin, programming, learn-to-code
+---
+The **Kotlin CookBook** topic gathers repositories that teach Kotlin programming using a "cookbook" or "recipe" metaphor. Each "recipe" is a small, focused code example that explains one concept at a time – just like following steps in a cooking recipe.
+
+**Why this approach works for beginners:**
+- 🍳 Learn by doing – Type the code yourself
+- 📖 One concept at a time – No overwhelming theory
+- 👨‍🍳 Real analogies – "If statement" becomes "IfChef"
+- 🧪 Play and experiment – Each recipe includes challenges
+
+Ideal for absolute beginners, educators, or anyone who wants to refresh Kotlin syntax in a fun way.
+
+**Example repositories:**
+- [realmg51-cpu/KotlinCookBook](https://github.com/realmg51-cpu/KotlinCookBook) – The original Kotlin CookBook with 20+ recipes and Docker support