refactor docs into feature folder

src/features/docs/contexts/DocsLanguageContext.ts

@@ -0,0 +1,11 @@
+import { createContext } from "react";
+
+export type DocsLanguage = "en" | "fr";
+
+export interface DocsLanguageContextValue {
+  language: DocsLanguage;
+  toggleLanguage: () => void;
+}
+
+export const DocsLanguageContext =
+  createContext<DocsLanguageContextValue | null>(null);