add MIT license

@@ -0,0 +1,21 @@1+MIT License2+3+Copyright (c) 2026 June4+5+Permission is hereby granted, free of charge, to any person obtaining a copy6+of this software and associated documentation files (the "Software"), to deal7+in the Software without restriction, including without limitation the rights8+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell9+copies of the Software, and to permit persons to whom the Software is10+furnished to do so, subject to the following conditions:11+12+The above copyright notice and this permission notice shall be included in all13+copies or substantial portions of the Software.14+15+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR16+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,17+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE18+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER19+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,20+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE21+SOFTWARE.