Prepare for 1.0.0 release by updating changelog and versioning

Finalize the changelog for the initial release of md2term, documenting the transition to version 1.0.0. Update project metadata in pyproject.toml and uv.lock to reflect the new version and change the development status to Production/Stable.

Author: statico

CHANGELOG.md

@@ -1,47 +1,5 @@
 # Changelog
 
-All notable changes to this project will be documented in this file.
+## [1.0.0] - Initial Release
 
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
-and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
-
-## [Unreleased]
-
-### Added
-
-- Initial project structure
-- Basic CLI interface with Click
-- Streaming output functionality (stub implementation)
-- Test suite with pytest
-- GitHub Actions for CI/CD
-- Documentation and README
-
-### Changed
-
-- Nothing yet
-
-### Deprecated
-
-- Nothing yet
-
-### Removed
-
-- Nothing yet
-
-### Fixed
-
-- Nothing yet
-
-### Security
-
-- Nothing yet
-
-## [0.1.0] - 2025-01-27
-
-### Added
-
-- Initial release
-- Basic project structure with uv
-- Stub implementation that echoes input with streaming support
-- Command-line interface
-- Python API for programmatic use
+This is the initial release of md2term.

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "md2term"
-version = "0.1.0"
+version = "1.0.0"
 description = "Parse Markdown and turn it into nicely-formatted text for terminal display"
 readme = "README.md"
 authors = [
@@ -17,7 +17,7 @@ dependencies = [
 ]
 keywords = ["markdown", "terminal", "cli", "formatting"]
 classifiers = [
-    "Development Status :: 3 - Alpha",
+    "Development Status :: 5 - Production/Stable",
     "Intended Audience :: Developers",
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python :: 3",