docs: update description

Signed-off-by: Bobo Bäck Engström <bobo@id8-engineering.io>

Author: Dexter9532

pyproject.toml

@@ -1,7 +1,7 @@
 [project]
 name = "python-dcm230"
 version = "0.1.0"
-description = "Add your description here"
+description = "Driver for Eastron DCM230 Series Single Phase Energy Meters using Modbus RTU"
 readme = "README.md"
 requires-python = ">=3.12"
 dependencies = []