updated develop/introduction

Author: mariotaku

src/partials/page.hbs

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 </main>
 {{> footer }}
 </body>
-<script src="/js/page.js"></script>
+<script src="/js/page.js" async></script>
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src/views/develop/guides/index.md

@@ -1,10 +1,31 @@
-# Guides
+# Introduction
+
+Use our tools and guides to develop homebrew apps, games and mods.
 
 ---
 
-Use our tools and guides to develop homebrew apps, games and mods. 
-You can also learn more about reverse engineering and debugging.
+With official SDKs and tools provided by LG, you can develop web-based apps.
+While many content-based apps can be built this way, it has many limitations.
+
+In addition to official tools, we have our unofficial toolchains and documentations, you can develop high-performance
+native apps, and utilize the full potential of webOS.
+
+## Showcases
+
+### Kodi
 
 ![Kodi](../../../img/screenshots/kodi-recently-added.jpg)
 
+[Kodi](https://kodi.tv/) has been ported to webOS by the community. It utilizes native media APIs to provide
+hardware-accelerated video
+playback.
+
+### Moonlight
+
+![Moonlight](../../../img/screenshots/moonlight.png)
+
+[Moonlight](https://github.com/mariotaku/moonlight-tv) is one of the first native homebrew apps built for webOS. With
+low-level media APIs like `libndl-media`,
+it provides low-latency game streaming from a PC. It also uses SDL2 for rendering and input handling.
+
 Next: [Environment Setup](/develop/guides/env-setup)

src/views/index/index.hbs

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 </main>
 {{> footer }}
-<script src="index.js"></script>
+<script src="index.js" async></script>
 </body>
 </html>