Try pydata-sphinx-theme for docs (#16)

* try pydata-sphinx-theme

* theme settings and reduced dataframe font

docs/_static/custom.css

@@ -0,0 +1,4 @@
+/* Make default pandas table font smaller */
+div.cell_output table {
+  font-size: 0.8em;
+}

docs/conf.py

@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import importlib.metadata
-from typing import Any
 
 project = "coincident"
 copyright = "2024, Scott Henderson"
@@ -34,25 +33,39 @@
     ".venv",
 ]
 
-html_theme = "furo"
+# -- Options for HTML output -------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
-html_theme_options: dict[str, Any] = {
-    "footer_icons": [
+html_theme = "pydata_sphinx_theme"
+html_theme_options = {
+    "use_edit_page_button": True,
+    "icon_links": [
         {
             "name": "GitHub",
             "url": "https://github.com/uw-cryo/coincident",
-            "html": """
-                <svg stroke="currentColor" fill="currentColor" stroke-width="0" viewBox="0 0 16 16">
-                    <path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"></path>
-                </svg>
-            """,
-            "class": "",
+            "icon": "fa-brands fa-github",
+            "type": "fontawesome",
         },
     ],
-    "source_repository": "https://github.com/uw-cryo/coincident",
-    "source_branch": "main",
-    "source_directory": "docs/",
 }
+html_title = "Coincident"
+html_context = {
+    "github_user": "uw-cryo",
+    "github_repo": "coincident",
+    "github_version": "main",
+    "doc_path": "docs",
+}
+
+# remove sidebar, see GH issue #82
+html_css_files = [
+    "custom.css",
+]
+
+html_static_path = ["_static"]
+
+# NOTE: consider adding back in once for distinct sections (user guide, examples, API reference)
+# https://pydata-sphinx-theme.readthedocs.io/en/stable/user_guide/layout.html#primary-sidebar-left
+html_sidebars = {"**": []}
 
 myst_enable_extensions = [
     "colon_fence",