docs: simplify demo sections by replacing SystemCard components with markdown headings and links

Author: dzienisz

android-sdk/about.mdx

@@ -52,25 +52,17 @@ Tolgee Mobile SDK for **Android** and **Compose Multiplatform** lets you localiz
 
 ## Demo apps
 
-<div className="grid grid-cols-1 md:grid-cols-2 gap-4 my-6">
-  <SystemCard
-    title="Android Views Demo"
-    emoji="📱"
-    description="Complete example implementation using Android Views"
-    links={[
-      { href: "https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/exampleandroid", label: "View Demo", color: "blue" }
-    ]}
-  />
-  
-  <SystemCard
-    title="Jetpack Compose Demo"
-    emoji="🚀"
-    description="Complete example implementation using Jetpack Compose"
-    links={[
-      { href: "https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/examplejetpack", label: "View Demo", color: "green" }
-    ]}
-  />
-</div>
+### 📱 Android Views Demo
+Complete example implementation using Android Views
+- [https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/exampleandroid](https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/exampleandroid)
+
+### 🚀 Jetpack Compose Demo
+Complete example implementation using Jetpack Compose
+- [https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/examplejetpack](https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/examplejetpack)
+
+### 🌐 Compose Multiplatform Demo
+Complete example implementation using Compose Multiplatform
+- [https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/examplecomposemultiplatform](https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/examplecomposemultiplatform)
 
 ## Get Started
 

android-sdk/jetpack/overview.mdx

@@ -85,16 +85,9 @@ Tolgee integrates with Compose's state system to ensure UI updates happen automa
 
 Explore our complete Jetpack Compose demo to see all features in action:
 
-<div className="grid grid-cols-1 gap-4 my-6">
-  <SystemCard
-    title="Jetpack Compose Demo"
-    emoji="🚀"
-    description="Complete example implementation with all Compose features"
-    links={[
-      { href: "https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/examplejetpack", label: "View Demo", color: "green" }
-    ]}
-  />
-</div>
+### 🚀 Jetpack Compose Demo
+Complete example implementation with all Compose features
+- [https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/examplejetpack](https://github.com/tolgee/tolgee-mobile-kotlin-sdk/tree/master/demo/examplejetpack)
 
 ## Integration Path