chore(project): rebranded project as 恭学教育 (GongXue Education)

- Updated pom.xml project name, description, and URL to 恭学教育.
- Changed LICENSE copyright holder to 恭学教育 (GongXue Education).
- Rebranded README.md with new project title and tagline.
- Replaced @author 芋道源码 with @author 恭学教育 across all Java source files.
- Updated Swagger metadata with 恭学教育 API title and admin@gongxue.com.
- Added Gitea Actions CI pipeline for automated build and deployment.

yudao-server/src/test/java/cn/iocoder/yudao/ProjectReactor.java

@@ -20,7 +20,7 @@ import static java.io.File.separator;
  * <p>
  * 通过修改 groupIdNew、artifactIdNew、projectBaseDirNew 三个变量
  *
- * @author 芋道源码
+ * @author 恭学教育
  */
 @Slf4j
 public class ProjectReactor {
@@ -28,7 +28,7 @@ public class ProjectReactor {
     private static final String GROUP_ID = "cn.iocoder.boot";
     private static final String ARTIFACT_ID = "yudao";
     private static final String PACKAGE_NAME = "cn.iocoder.yudao";
-    private static final String TITLE = "芋道管理系统";
+    private static final String TITLE = "恭学教育管理系统";
 
     /**
      * 白名单文件，不进行重写，避免出问题