feat: add randomized portfolio hero variants

lib/whatsapp.ts

@@ -0,0 +1,17 @@
+const COUNTRY = ["5", "5"];
+const AREA = ["4", "7"];
+const NINE = ["9"];
+const FIRST = ["9", "2", "7", "4"];
+const LAST = ["2", "3", "6", "5"];
+
+export function getWhatsAppNumber() {
+  return [...COUNTRY, ...AREA, ...NINE, ...FIRST, ...LAST].join("");
+}
+
+export function getWhatsAppDisplayNumber() {
+  return `+${COUNTRY.join("")} ${AREA.join("")} ${NINE.join("")}${FIRST.join("")}-${LAST.join("")}`;
+}
+
+export function buildWhatsAppUrl(message: string) {
+  return `https://wa.me/${getWhatsAppNumber()}?text=${encodeURIComponent(message)}`;
+}