Initial commit: Prodigit 3366G DC Electronic Load RS-232 driver and CLI

Python package for controlling the Prodigit 3366G (600V/420A/6kW) over
RS-232 serial. Includes driver with full command support (CC/CR/CV/CP
modes, measurements, battery test, OCP/OPP, dynamic mode, limits) and
CLI tool with identify, measure, monitor, live graph, and raw send.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

pyproject.toml

@@ -0,0 +1,20 @@
+[project]
+name = "prodigit-3366g"
+version = "0.1.0"
+description = "Prodigit 3366G High Power DC Electronic Load RS-232 control tools"
+readme = "README.md"
+requires-python = ">=3.12"
+dependencies = [
+    "matplotlib>=3.10.8",
+    "pyserial>=3.5",
+]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build.targets.wheel]
+packages = ["prodigit3366g"]
+
+[project.scripts]
+prodigit = "prodigit3366g.cli:main"