chore: add LICENSE to root and update package.json

Author: Luís Assunção

LICENSE.txt

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Luís Assunção
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

package.json

@@ -72,5 +72,6 @@
         "format": "prettier --write \"src/**/*.{js,ts,json,scss,md}\"",
         "build:css": "sass src/scss/SnapRecords.scss dist/snap-records.css --style=compressed --source-map"
     },
-    "description": "A powerful and flexible TypeScript data grid component for modern web applications. Features server-side data handling, multiple rendering modes, extensive customization, and full accessibility support."
+    "description": "A powerful and flexible TypeScript data grid component for modern web applications. Features server-side data handling, multiple rendering modes, extensive customization, and full accessibility support.",
+    "license": "MIT"
 }