chore: 整理docs目录结构，添加Flyway插件

- 新增 docs/guides/ 目录存放有用文档
- 新增 docker-deployment.md Docker部署指南
- 删除20+临时报告和过时文档
- 添加 flyway-maven-plugin 用于数据库迁移管理
- docker-compose 改用 Dockerfile.quick 快速构建

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

pom.xml

@@ -325,6 +325,18 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>3.2.5</version>
             </plugin>
+            <plugin>
+                <groupId>org.flywaydb</groupId>
+                <artifactId>flyway-maven-plugin</artifactId>
+                <version>9.22.3</version>
+                <dependencies>
+                    <dependency>
+                        <groupId>com.mysql</groupId>
+                        <artifactId>mysql-connector-j</artifactId>
+                        <version>8.2.0</version>
+                    </dependency>
+                </dependencies>
+            </plugin>
         </plugins>
     </build>