Add new rule to Mulan PubL v1 License

Signed-off-by: Jianlang Deng <csgarytang@gmail.com>

Author: Tang-Kin-Long

src/licensedcode/data/rules/mulanpubl-1.0_1.RULE

@@ -0,0 +1,15 @@
+---
+license_expression: mulanpubl-1.0
+is_license_notice: yes
+ignorable_urls:
+    - http://license.coscl.org.cn/MulanPubL-1.0
+---
+
+licensed under Mulan PubL v1.
+You can use this software according to the terms and conditions of the Mulan PubL v1.
+You may obtain a copy of Mulan PubL v1 at:
+         http://license.coscl.org.cn/MulanPubL-1.0
+THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+See the Mulan PubL v1 for more details.