refactor: 消息模块重构，infra包路径简写等

server/internal/msg/infra/persistence/msg.go

@@ -0,0 +1,21 @@
+package persistence
+
+import (
+	"mayfly-go/internal/msg/domain/entity"
+	"mayfly-go/internal/msg/domain/repository"
+	"mayfly-go/pkg/base"
+	"mayfly-go/pkg/model"
+)
+
+type msgRepoImpl struct {
+	base.RepoImpl[*entity.Msg]
+}
+
+func newMsgRepo() repository.Msg {
+	return &msgRepoImpl{}
+}
+
+func (m *msgRepoImpl) GetPageList(condition *entity.Msg, pageParam model.PageParam, orderBy ...string) (*model.PageResult[*entity.Msg], error) {
+	pd := model.NewModelCond(condition).OrderBy(orderBy...)
+	return m.PageByCond(pd, pageParam)
+}