Initial ITECH IT6500 series DC PSU control tool

USB-TMC/SCPI driver and CLI for IT6500 series power supplies.
Commands: identify, measure, monitor, live, set, output, protection, config, send.
Auto-detects instrument via USB VID 0x2EC7 / PID 0x6522.

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

pyproject.toml

@@ -0,0 +1,21 @@
+[project]
+name = "itech-it6500"
+version = "0.1.0"
+description = "ITECH IT6500 Series Programmable DC Power Supply USB/SCPI control tools"
+readme = "README.md"
+requires-python = ">=3.12"
+dependencies = [
+    "matplotlib>=3.10.8",
+    "pyvisa>=1.16.2",
+    "pyvisa-py>=0.8.1",
+]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build.targets.wheel]
+packages = ["it6500"]
+
+[project.scripts]
+it6500 = "it6500.cli:main"