feat(docs): add compatible Node.js and Python versions to Build Your iApp section

Author: abbesBenayache

src/references/iapp-generator/building-your-iexec-app.md

@@ -7,6 +7,72 @@ description:
 
 # 🧑‍🏭 Build your iApp
 
+## 📋 Prerequisites
+
+Before building your iApp, ensure you have the following installed:
+
+<div class="flex flex-col gap-2 my-4 pl-0">
+  <div class="flex items-center gap-4 text-left">
+    <div class="flex items-center gap-1 flex-1 text-sm font-medium">
+      📦 Node.js v20+
+    </div>
+    <a target="_blank" href="https://nodejs.org/en/" class="no-underline! text-sm ml-auto hover:underline!">Download →</a>
+  </div>
+   <div class="flex items-center gap-4 text-left">
+    <div class="flex items-center gap-1 flex-1 text-sm font-medium">
+      🐍 Python 3.8+ (for Python iApps)
+    </div>
+    <a target="_blank" href="https://www.python.org/downloads/" class="no-underline! text-sm ml-auto hover:underline!">Download →</a>
+  </div>
+   <div class="flex items-center gap-4 text-left">
+    <div class="flex items-center gap-1 flex-1 text-sm font-medium">
+      🐳 Docker installed
+    </div>
+    <a target="_blank" href="https://docker.com/" class="no-underline! text-sm ml-auto hover:underline!">Download →</a>
+  </div>
+  
+  <div class="flex items-center gap-4 text-left">
+    <div class="flex items-center gap-1 flex-1 text-sm font-medium">
+      🐳 DockerHub Account
+    </div>
+    <a target="_blank" href="https://hub.docker.com/" class="no-underline! text-sm ml-auto hover:underline!">Sign Up →</a>
+  </div>
+</div>
+
+::: tip 🔍 Verify Docker Compatibility
+
+```bash
+docker buildx inspect --bootstrap | grep -i platforms
+```
+
+If `linux/amd64` is not listed, **update your Docker installation.**
+
+:::
+
+### 📦 Install iApp Generator
+
+Install the iApp Generator CLI tool using your preferred package manager:
+
+::: code-group
+
+```sh [npm]
+npm install -g @iexec/iapp
+```
+
+```sh [yarn]
+yarn global add @iexec/iapp
+```
+
+```sh [pnpm]
+pnpm add -g @iexec/iapp
+```
+
+```sh [bun]
+bun add -g @iexec/iapp
+```
+
+:::
+
 ## 🧰 Initialize your iApp
 
 The iApp (iExec App) Generator command-line tool simplifies the setup of your