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

* chore: move guide to en folder

* docs: add english as language

docs/guide/src/en/__unused/hello_world.md

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+# "Hello, World" desktop app
+
+
+
+If you plan to develop extensions for the `Dioxus` ecosystem, please use the `dioxus` crate with the `core` feature to limit the amount of dependencies your project brings in.
+
+
+### What is this `Scope` object?
+
+Coming from React, the `Scope` object might be confusing. In React, you'll want to store data between renders with hooks. However, hooks rely on global variables which make them difficult to integrate in multi-tenant systems like server-rendering.
+
+In Dioxus, you are given an explicit `Scope` object to control how the component renders and stores data. The `Scope` object provides a handful of useful APIs for features like suspense, rendering, and more.
+
+For now, just know that `Scope` lets you store state with hooks and render elements with `cx.render`.