feat(pdf): make footer email and website clickable

app/services/invoice/pdf/InvoiceDocument.tsx

@@ -2,6 +2,7 @@
 import {
   Document,
   Image,
+  Link,
   Page,
   StyleSheet,
   Text,
@@ -479,8 +480,16 @@ function Footer({ issuer, language }: { issuer: IssuerData; language: InvoiceLan
       <View style={styles.footerCol}>
         <Text style={styles.footerHeading}>{t.contactHeading}</Text>
         {issuer.phone ? <Text>{t.phoneLabel}: {issuer.phone}</Text> : null}
-        {issuer.email ? <Text>{t.emailLabel}: {issuer.email}</Text> : null}
-        {issuer.website ? <Text>{t.webLabel}: {issuer.website}</Text> : null}
+        {issuer.email ? (
+          <Text>
+            {t.emailLabel}: <Link src={`mailto:${issuer.email}`}>{issuer.email}</Link>
+          </Text>
+        ) : null}
+        {issuer.website ? (
+          <Text>
+            {t.webLabel}: <Link src={normaliseWebUrl(issuer.website)}>{issuer.website}</Link>
+          </Text>
+        ) : null}
       </View>
       <View style={styles.footerCol}>
         <Text style={styles.footerHeading}>{t.legalHeading}</Text>
@@ -514,3 +523,14 @@ function pickFooterNote(issuer: { footerNote: string; footerNoteEn: string }, la
   }
   return issuer.footerNote || "";
 }
+
+/**
+ * Make a website URL safe for `<Link src="...">` — adds an `https://` scheme
+ * when the user typed something like `linumiq.com` or `www.linumiq.com`.
+ */
+function normaliseWebUrl(url: string): string {
+  const trimmed = url.trim();
+  if (!trimmed) return trimmed;
+  if (/^https?:\/\//i.test(trimmed)) return trimmed;
+  return `https://${trimmed.replace(/^\/\//, "")}`;
+}