feat(web): 新增博客首页文章、分类、标签及博客设置相关接口

- 新增ArticleController提供首页文章分页查询接口
- 实现ArticleService及其实现类，支持分页查询文章及其分类标签关联信息
- 扩展ArticleCategoryRelRepository和ArticleTagRelRepository，支持批量查询文章关联分类和标签
- 新增CategoryController及CategoryService，实现前台分类列表查询接口
- 新增TagController及TagService，实现前台标签列表查询接口
- 新增BlogSettingsController及BlogSettingsService，支持博客配置信息查询
- 添加相应的请求响应VO，包含文章、分类、标签及博客设置数据结构
- 移除无用的User模型代码，简化项目结构

weblog-module-common/src/main/java/com/hanserwei/common/domain/repository/ArticleCategoryRelRepository.java

@@ -17,4 +17,6 @@ public interface ArticleCategoryRelRepository extends JpaRepository<ArticleCateg
     ArticleCategoryRel findByArticleId(Long articleId);
 
     List<ArticleCategoryRel> findByCategoryId(Long categoryId);
+
+    List<ArticleCategoryRel> findByArticleIdIn(List<Long> articleIds);
 }

weblog-module-common/src/main/java/com/hanserwei/common/domain/repository/ArticleTagRelRepository.java

@@ -6,6 +6,7 @@ import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 
+import java.util.Collection;
 import java.util.List;
 
 public interface ArticleTagRelRepository extends JpaRepository<ArticleTagRel, Long> {
@@ -16,4 +17,6 @@ public interface ArticleTagRelRepository extends JpaRepository<ArticleTagRel, Lo
     List<ArticleTagRel> findByArticleId(Long articleId);
 
     List<ArticleTagRel> findByTagId(Long tagId);
+
+    List<ArticleTagRel> findByArticleIdIn(Collection<Long> articleIds);
 }

weblog-module-common/src/main/java/com/hanserwei/common/domain/repository/CategoryRepository.java

@@ -7,8 +7,13 @@ import org.springframework.data.jpa.domain.Specification;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 
+import java.util.Collection;
+import java.util.List;
+
 public interface CategoryRepository extends JpaRepository<Category, Long>, JpaSpecificationExecutor<Category> {
     boolean existsCategoryByName(String name);
 
     Page<Category> findAll(Specification<Category> specification, Pageable pageable);
+
+    List<Category> findAllByIdIn(Collection<Long> ids);
 }