added count to crud_fns and macro

[eboody]

added count to base

	async fn test_count_ok() -> Result<()> {
		// -- Setup & Fixtures
		let mm = _dev_utils::init_test().await;
		let ctx = Ctx::root_ctx();

		let fx_agent_names = &["test_list_ok agent 01", "test_list_ok agent 02"];
		seed_agents(&ctx, &mm, fx_agent_names).await?;

		// -- Exec
		let agent_filter: AgentFilter = serde_json::from_value(json!(
			{
				"name": {"$contains": "list_ok agent"}
			}
		))?;
		let count = AgentBmc::count(&ctx, &mm, Some(vec![agent_filter])).await?;

		// -- Check
		assert_eq!(count, 2);

		// -- Clean
		let count = clean_agents(&ctx, &mm, "test_list_ok agent").await?;
		assert_eq!(count, 2, "Should have cleaned 2 agents");

		Ok(())
	}