added LICENSE and updated README to indicate early alpha stage

Author: hyi

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 VACLab
+
+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.

README.md

@@ -7,6 +7,10 @@
 BiasAnalyzer is a Python package that enables users to track, quantify, analyze, and communicate bias in cohort 
 selection. In this context, bias is viewed as lack of representation within a cohort compared to a baseline population.
 
+⚠️ **Status: Alpha - Work in Progress**  
+This project is in an early alpha stage and under active development. It may undergo significant changes before its first 
+official release.
+
 To import the BiasAnalyzer package and use the BIAS API, you can follow the steps outlined below. Sample commands or 
 code snippets are also provided in each step for easy reference.