Add pyproject and README

.python-version

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+3.14

README.md

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+# Flight Sim
+
+A flight simulation framework
+
+## Installation
+
+This project uses [uv](https://docs.astral.sh/uv/) for package management.
+
+```bash
+uv sync # Creates virtual environment and installs dependencies
+```
+
+## Usage
+
+Run the main simulation:
+
+```bash
+uv run flight_sim.py
+```

pyproject.toml

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+[project]
+name = "flight-sim"
+version = "0.1.0"
+description = "A flight simulation framework"
+readme = "README.md"
+requires-python = ">=3.14"
+dependencies = [
+    "matplotlib>=3.10.7",
+    "numpy>=2.3.5",
+    "pymap3d>=3.2.0",
+    "scipy>=1.16.3",
+]