Initialize Python package structure for Plamo

[Copilot]

Bootstrap empty repository with standard Python package layout.

Package Structure

• src/plamo/ - Package source with core greeting functionality
• tests/ - Pytest test suite
• pyproject.toml - Build configuration and metadata
• .gitignore - Python artifacts exclusion
• LICENSE - MIT

Usage

from plamo import greet

greet()           # "Hello, World!"
greet("Alice")    # "Hello, Alice!"

Install with pip install -e . for development.

Original prompt

Plamo

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