Migrate from obsolete setup.py to modern pyproject.toml packaging and remove obsolete CI/CD files (#9)

* Initial plan

* Add pyproject.toml with modern Python packaging configuration

Co-authored-by: paulbkoch <46825734+paulbkoch@users.noreply.github.com>

* Remove obsolete setup.py file after successful pyproject.toml migration

Co-authored-by: paulbkoch <46825734+paulbkoch@users.noreply.github.com>

* Remove obsolete azure-pipelines.yml file

Co-authored-by: paulbkoch <46825734+paulbkoch@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: paulbkoch <46825734+paulbkoch@users.noreply.github.com>

Author: Copilot

azure-pipelines.yml

@@ -0,0 +1,30 @@
+[build-system]
+requires = ["setuptools>=45", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "slicer"
+version = "0.0.8"
+description = "A small package for big slicing."
+readme = "README.md"
+requires-python = ">=3.6"
+license = {text = "MIT"}
+authors = [
+    {name = "InterpretML", email = "interpret@microsoft.com"}
+]
+classifiers = [
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9", 
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Development Status :: 3 - Alpha",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+]
+
+[project.urls]
+Homepage = "https://github.com/interpretml/slicer"
+
+[tool.setuptools]
+packages = ["slicer"]