Add build-system and setuptools configuration to pyproject.toml

Co-authored-by: AdmGenSameer <154604600+AdmGenSameer@users.noreply.github.com>

Author: Copilot

pyproject.toml

@@ -1,3 +1,7 @@
+[build-system]
+requires = ["setuptools>=61.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
 [project]
 name = "archpkg"
 version = "0.1.0"
@@ -16,3 +20,9 @@ dependencies = [
 
 [project.scripts]
 archpkg = "archpkg.cli:main"
+
+[tool.setuptools]
+packages = ["archpkg"]
+
+[tool.setuptools.package-data]
+archpkg = ["*.yaml", "*.yml", "*.json"]