feat: add LICENSE

LICENSE

@@ -0,0 +1,38 @@
+Copyright (c) 2022-2025, AcePanel contributors
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+免责声明
+
+本软件是按照现有技术和条件所能达到的现状提供的，用户出于自愿而使用本软件，树新峰（耗子科技）不作任何形式的保证，包括但不限于：
+
+1. 树新峰不对于因使用或无法使用本软件而造成的任何直接、间接、偶然、附带、特殊及后续的「损害」承担责任，即使已被告知此类「损害」的可能性；
+2. 树新峰无组织本软件的交流社区的义务与责任，不承担因技术交流导致某一方故障而产生的「损害」；
+3. 树新峰不对本软件的无故障、适用性、可用性、准确性、质量满意度等做任何形式的保证；
+4. 树新峰不保证本软件可以满足您的要求，也不保证其内容、服务或功能无任何错误或不会中断，不保证任何缺陷将得到更正；
+5. 树新峰对本软件提供的任何信息或建议均不构成任何担保；
+6. 用户因使用本软件违反国家法律法规的，树新峰不承担任何责任；
+7. 本条款所指的「损害」包括但不限于经济损失、利润损失、收入损失、业务中断、数据丢失等。