feat(sa-base): 实现主从数据源动态切换

- 新增 DataSource 注解用于切换数据源
- 实现 DynamicDataSourceHandler 动态数据源处理器
- 添加 DruidConfig 配置多数据源
- 更新 sa-base.yaml 配置文件，支持主从数据源

smart-admin-api-java17-springboot3/sa-base/src/main/resources/dev/sa-base.yaml

@@ -1,18 +1,28 @@
 spring:
   # 数据库连接信息
   datasource:
-    url: jdbc:p6spy:mysql://127.0.0.1:3306/smart_admin_v3?autoReconnect=true&useServerPreparedStmts=false&rewriteBatchedStatements=true&characterEncoding=UTF-8&useSSL=false&allowMultiQueries=true&serverTimezone=Asia/Shanghai
-    username: root
-    password: SmartAdmin666
+    type: com.alibaba.druid.pool.DruidDataSource
     driver-class-name: com.p6spy.engine.spy.P6SpyDriver
-    initial-size: 2
-    min-idle: 2
-    max-active: 10
-    max-wait: 60000
-    time-between-eviction-runs-millis: 60000
-    min-evictable-idle-time-millis: 300000
-    filters: stat
     druid:
+      master:
+        url: jdbc:p6spy:mysql://127.0.0.1:3306/smart_admin_v3?autoReconnect=true&useServerPreparedStmts=false&rewriteBatchedStatements=true&characterEncoding=UTF-8&useSSL=false&allowMultiQueries=true&serverTimezone=Asia/Shanghai
+        username: root
+        password: SmartAdmin666
+      slave:
+        enabled: true
+        url: jdbc:p6spy:mysql://127.0.0.1:3306/smart_admin_v3_slave?autoReconnect=true&useServerPreparedStmts=false&rewriteBatchedStatements=true&characterEncoding=UTF-8&useSSL=false&allowMultiQueries=true&serverTimezone=Asia/Shanghai
+        username: root
+        password: SmartAdmin666
+      initial-size: 2
+      min-idle: 2
+      max-active: 10
+      max-wait: 60000
+      connect-timeout: 30000
+      socket-timeout:  30000
+      time-between-eviction-runs-millis: 60000
+      min-evictable-idle-time-millis: 300000
+      max-evictable-idle-time-millis: 300000
+      filters: stat
       username: druid
       password: 1024
       login:
@@ -26,7 +36,7 @@ spring:
       database: 1
       host: 127.0.0.1
       port: 6379
-      password:
+      password: 123456
       timeout: 10000ms
       lettuce:
         pool: