fix(tp-py): add missing README.md required by pyproject.toml

Author: MathiasVDA

tp-py/README.md

@@ -0,0 +1,18 @@
+# tp-lib Python Bindings
+
+Python bindings for the Train Positioning Library (TP-Lib), providing GNSS track axis projection and train path calculation.
+
+## Installation
+
+```bash
+pip install tp-lib
+```
+
+## Usage
+
+```python
+from tp_lib import project_positions, ProjectionConfig
+
+config = ProjectionConfig(max_search_radius_meters=1000.0)
+result = project_positions(gnss_positions, network, config)
+```