feat: implement collapsable first level tree

src/hooks/useSidebar.tsx

@@ -0,0 +1,12 @@
+import { useContext } from "react"
+import { SidebarContext, SidebarContextInterface } from "../SidebarProvider"
+
+export default function useSidebar(): SidebarContextInterface {
+  const sidebarContext = useContext(SidebarContext)
+
+  if (!sidebarContext) {
+    throw Error("Need context")
+  }
+
+  return sidebarContext
+}