Migrate docs from mkdocs to sphinx

docs/conf.py

@@ -0,0 +1,16 @@
+project = "UnitCommitment.jl"
+copyright = "2020-2021, UChicago Argonne, LLC"
+author = ""
+release = "0.2"
+extensions = ["myst_parser"]
+templates_path = ["_templates"]
+exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
+html_theme = "sphinx_book_theme"
+html_static_path = ["_static"]
+html_css_files = ["custom.css"]
+html_theme_options = {
+    "repository_url": "https://github.com/ANL-CEEESA/UnitCommitment.jl/",
+    "use_repository_button": True,
+    "extra_navbar": "",
+}
+html_title = f"UnitCommitment.jl<br/><small>{release}</small>"