init local code

src/main/resources/templates/themes/scholar-blue/fragments/head.html

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org" lang="zh-CN">
+<!-- scholar-blue 公共 head 片段：与 default 契约一致（pageTitle/seo/canonical/og/themeVarsCss/favicon 兜底） -->
+<head th:fragment="head">
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <title th:text="${pageTitle}">页面标题</title>
+    <meta name="description" th:if="${seoDescription != null and !#strings.isEmpty(seoDescription)}"
+          th:content="${seoDescription}">
+    <link rel="canonical" th:if="${canonical != null}" th:href="${canonical}">
+    <meta property="og:title" th:if="${pageTitle != null}" th:content="${pageTitle}">
+    <meta property="og:description" th:if="${seoDescription != null and !#strings.isEmpty(seoDescription)}" th:content="${seoDescription}">
+    <meta property="og:image" th:if="${ogImage != null}" th:content="${ogImage}">
+    <link rel="stylesheet" th:href="${url.asset('css/main.css')}">
+    <style th:if="${not #strings.isEmpty(themeVarsCss)}" th:utext="${themeVarsCss}"></style>
+    <link rel="icon" type="image/png"
+          th:href="${site.config['favicon'] != null ? url.upload(site.config['favicon']) : url.asset('favicon.png')}">
+</head>
+</html>