Update README format and project configuration

- Changed the README file format in `pyproject.toml` from reStructuredText to Markdown.
- Deleted the obsolete `README.rst` file to streamline documentation.
- Ensured compatibility with the new README format for better project clarity.

Author: carterlasalle

README.rst README.md

@@ -6,7 +6,7 @@ build-backend = "setuptools.build_meta"
 name = "mac-messages-mcp"
 version = "0.6.3"
 description = "A bridge for interacting with macOS Messages app through MCP"
-readme = "README.rst"
+readme = {file = "README.md", content-type = "text/markdown"}
 requires-python = ">=3.10"
 authors = [
     {name = "Carter Lasalle", email = "[email protected]"}