完成初版

README.md

@@ -1,2 +1,29 @@
 # mil_sdk
 
+MIL (Model-in-the-Loop) SDK for reading simulation data from Excel files.
+
+## Installation
+
+```bash
+pip install -e .
+```
+
+## Usage
+
+```python
+from src.core import read_excel_data, DataLog
+
+result = read_excel_data("path/to/simulation.xlsx")
+print(result["signal1"]["datalog"])  # List[DataLog]
+```
+
+## Testing
+
+```bash
+pytest tests/ -v
+```
+
+## Dependencies
+
+- Python >= 3.10
+- openpyxl >= 3.0.0