Added boob and country aggregation to actors page.

src/countries.js

@@ -0,0 +1,15 @@
+import knex from './knex.js';
+
+function curateCountry(countryEntry) {
+	return {
+		name: countryEntry.name,
+		alpha2: countryEntry.alpha2,
+		code: countryEntry.code,
+	};
+}
+
+export async function fetchCountriesByAlpha2(alpha2s) {
+	const entries = await knex('countries').whereIn('alpha2', alpha2s);
+
+	return entries.map((entry) => curateCountry(entry));
+}