docs: add Python trademark notice

Author: vbuxbaum

assets/css/site.css

@@ -688,6 +688,13 @@ a.card {
   font-size: 14px;
 }
 
+.footer-main .trademark-notice {
+  margin-top: 10px;
+  color: #897d81;
+  font-size: 12px;
+  line-height: 1.5;
+}
+
 .footer-links {
   display: flex;
   flex-direction: column;

assets/js/site.js

@@ -156,6 +156,7 @@
     byId('projects-title').textContent = text('projects');
     byId('conduct-title').textContent = pick(site.conduct.title);
     byId('footer-about').textContent = pick(site.about);
+    byId('footer-trademarks').textContent = pick(site.footer.trademarks);
     byId('footer-credit').textContent = pick(site.footer.credit);
     byId('repository-link').href = safeHref(site.footer.repo);
 

data/site.json

@@ -42,5 +42,5 @@
     { "text": "YouTube", "href": "https://www.youtube.com/c/PythonMinasGerais" },
     { "text": "Telegram", "href": "https://telegram.me/pythonmg" }
   ],
-  "footer": { "credit": { "pt": "Feito com Python, JSON e HTML.", "en": "Made with Python, JSON and HTML." }, "repo": "https://github.com/pythonmg/site-pythonmg" }
+  "footer": { "credit": { "pt": "Feito com Python, JSON e HTML.", "en": "Made with Python, JSON and HTML." }, "trademarks": { "pt": "“Python” e os logotipos Python são marcas da Python Software Foundation (PSF) e são utilizados com permissão.", "en": "“Python” and the Python logos are trademarks of the Python Software Foundation (PSF) and are used with permission." }, "repo": "https://github.com/pythonmg/site-pythonmg" }
 }

index.html

@@ -96,7 +96,7 @@ <h3 class="subheading subdued" data-i18n="past">Eventos anteriores</h3>
 
     <footer class="site-footer">
       <div class="shell footer-main">
-        <div><img src="assets/images/logo/logo.png" alt="Python-MG"><p id="footer-about"></p></div>
+        <div><img src="assets/images/logo/logo.png" alt="Python-MG"><p id="footer-about"></p><p class="trademark-notice" id="footer-trademarks"></p></div>
         <div><p class="label">Social</p><div class="footer-links" id="social-links"></div></div>
         <div><p class="label">Site</p><div class="footer-links"><a href="#conduta" data-i18n="conduct">Código de conduta</a><a id="repository-link" href="https://github.com/pythonmg/pythonmg.github.io" target="_blank" rel="noreferrer"><i class="bi bi-github" aria-hidden="true"></i>GitHub Pages repo</a></div></div>
       </div>