feat: add UMass Amherst theme support, implement HTML snippet management system, and update page rendering logic

sisvietnamvn_main/replace_logo.py

@@ -0,0 +1,23 @@
+import re
+
+filepath = "src/main/resources/templates/themes/umass/header.html"
+with open(filepath, "r", encoding="utf-8") as f:
+    content = f.read()
+
+# Tophat logo
+content = re.sub(
+    r'<div class="tophat-logo">\s*<a href="[^"]*">\s*<img[^>]*>\s*</a>\s*</div>',
+    '<div class="tophat-logo">\n      <a href="/">\n        <img th:src="@{/theme-assets/umass/images/logo.png}" alt="Sisvietnamvn" style="height: 35px; width: auto;"/>\n      </a>\n    </div>',
+    content
+)
+
+# Header branding logos
+content = re.sub(
+    r'<div data-component-id="umass_base:header-branding">\s*<a href="[^"]*">\s*<img[^>]*>\s*<img[^>]*>\s*</a>\s*</div>',
+    '<div data-component-id="umass_base:header-branding">\n  <a href="/">\n    <img th:src="@{/theme-assets/umass/images/logo.png}" alt="Sisvietnamvn" style="height: 60px; width: auto;"/>\n  </a>\n</div>',
+    content
+)
+
+with open(filepath, "w", encoding="utf-8") as f:
+    f.write(content)
+print("Updated header.html")