fix: use cc-by-4.0 for docs copyright (#3)

Signed-off-by: Paul S. Schweigert <paul@paulschweigert.com>

Author: psschwei

src/app/layout.tsx

@@ -60,7 +60,7 @@ const jsonLd = {
   url: siteConfig.url,
   applicationCategory: 'DeveloperApplication',
   operatingSystem: 'Any',
-  license: 'https://www.apache.org/licenses/LICENSE-2.0',
+  license: 'https://creativecommons.org/licenses/by/4.0/',
   programmingLanguage: 'Python',
   codeRepository: siteConfig.githubUrl,
   offers: {

src/components/Footer.tsx

@@ -5,7 +5,7 @@ export default function Footer() {
   return (
     <footer className="footer">
       <div className="footer-inner">
-        <span className="footer-brand">© {new Date().getFullYear()} Mellea — Apache 2.0</span>
+        <span className="footer-brand">© {new Date().getFullYear()} Mellea · Documentation distributed under CC BY 4.0</span>
         <nav className="footer-links">
           <Link href="/blogs">Blog</Link>
           <Link href={siteConfig.docsUrl} target="_blank" rel="noopener noreferrer">Docs</Link>