docs(showcase): update sidebar positions

Author: kesku

docs/showcase/fact-dynamics.mdx

@@ -1,7 +1,7 @@
 ---
 title: Fact Dynamics | Real-time Fact-Checking Flutter App
 description: Cross-platform app for real-time fact-checking of debates, speeches, and images using Perplexity's Sonar API
-sidebar_position: 2
+sidebar_position: 3
 keywords: [Fact Dynamics, fact-checking, Flutter, Dart, real-time, speech-to-text, debate, image verification]
 ---
 

docs/showcase/perplexity-flutter.mdx

@@ -1,7 +1,7 @@
 ---
 title: Perplexity Dart & Flutter SDKs
 description: Lightweight, type-safe SDKs for seamless Perplexity API integration in Dart and Flutter applications
-sidebar_position: 3
+sidebar_position: 4
 keywords: [Perplexity, Flutter, Dart, SDK, API, streaming, chat-completions, sonar, type-safe, widgets]
 ---