add chat and about page, style everything, let user upload a file and have server return string array of the file's text contents chunked by 4k characters

src/lib/shared/stores/prompt.ts

@@ -0,0 +1,5 @@
+import { writable } from 'svelte/store';
+
+const prompt = writable<string>(JSON.stringify([]));
+
+export default prompt;