Update changelog

Author: bsweger

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to `pyprefab` are documented here.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com), and the project uses [Semantic Versioning](https://semver.org/).
 
+## [Unreleased]
+
+### Added
+
+- Sphinx-based project documentation (published on GitHub pages)
+
 ## [0.4.0] - [2025-01-26]
 
 ### Added

pyproject.toml

@@ -40,6 +40,7 @@ docs = [
 pyprefab = "pyprefab.cli:app"
 
 [project.urls]
+Documentation = "https://bsweger.github.io/pyprefab/index.html"
 Repository = "https://github.com/bsweger/pyprefab.git"
 Changelog = "https://github.com/bsweger/pyprefab/blob/main/CHANGELOG.md"
 
@@ -83,4 +84,3 @@ quote-style = 'single'
 # ensure setuptools_scm generates a version number that reflects latest tags
 # https://docs.astral.sh/uv/concepts/cache/#dynamic-metadata
 cache-keys = [{ git = { commit = true, tags = true } }]
-