feat(app): better diff/code comments (#14621)

Co-authored-by: adamelmore <2363879+adamdottv@users.noreply.github.com>
Co-authored-by: David Hill <iamdavidhill@gmail.com>

packages/ui/src/context/file.tsx

@@ -0,0 +1,10 @@
+import type { ValidComponent } from "solid-js"
+import { createSimpleContext } from "./helper"
+
+const ctx = createSimpleContext<ValidComponent, { component: ValidComponent }>({
+  name: "FileComponent",
+  init: (props) => props.component,
+})
+
+export const FileComponentProvider = ctx.provider
+export const useFileComponent = ctx.use