Add PT-BR translations (#456)

* Translate final.md, hello_world.md, README.md, ROADMAP.md and SUMMARY.md

* Translatation complete

* Internationalization: move guide to en folder and preserve its history. (#494)

* Clean files and build mdBook with localization feature

* Rebase, remove leftovers and check book builds for every language: ✅

Co-authored-by: Jon Kelley <jkelleyrtp@gmail.com>

docs/reference/src/platforms/index.md

@@ -0,0 +1,11 @@
+# Platforms
+
+Dioxus supports many different platforms. Below are a list of guides that walk you through setting up Dioxus for a specific platform.
+
+### Setup Guides
+
+- [Web](web.md)
+- [Server Side Rendering](ssr.md)
+- [Desktop](desktop.md)
+- [Mobile](mobile.md)
+- [TUI](tui.md)