feat: base code

src/utils/savePersonaJson.ts

@@ -0,0 +1,10 @@
+import fs from 'fs';
+import { parsePersona } from './parsePersona';
+
+export function savePersonaJson(persona: string, id: number) {
+  fs.promises.writeFile(`personas/${id}.json`, persona, 'utf8');
+
+  const personaObject = parsePersona(persona);
+
+  console.log(`Persona ${personaObject.core.name} saved as persona/${id}.json`);
+}