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-module-iot/pom.xml

@@ -19,7 +19,7 @@
     <name>${project.artifactId}</name>
     <description>
         物联网模块
-                <!-- TODO 芋艿：需要补充下说明！ -->
+                <!-- TODO 管理员：需要补充下说明！ -->
     </description>
 
 </project>