Update Example directories

Move readme.txt to index.rst

pyproject.toml

@@ -63,10 +63,12 @@ tests = [
     "scikit-learn==1.3.1; python_version > '3.7'",
     "SRTM.py",
     "utm",
-    "scikit-rf==0.31.0",
+    "scikit-rf",
+    "jsonschema",
 ]
 doc = [
-    "ansys-sphinx-theme==0.13.1",
+    "ansys-sphinx-theme==0.12.2",
+    "pydata-sphinx-theme==0.14.4",
     "imageio==2.31.5",
     "imageio-ffmpeg==0.4.9",
     "ipython==8.13.0; python_version < '3.9'",
@@ -78,6 +80,7 @@ doc = [
     "matplotlib==3.7.3; python_version == '3.8'",
     "matplotlib==3.8.0; python_version > '3.8'",
     "nbsphinx==0.9.3",
+    "jupytext==1.16.0",
     "numpydoc==1.5.0; python_version == '3.7'",
     "numpydoc==1.6.0; python_version > '3.7'",
     "osmnx",
@@ -94,7 +97,6 @@ doc = [
     "sphinx-autobuild==2021.3.14",
     "sphinx-autodoc-typehints==1.24.0",
     "sphinx-copybutton==0.5.2",
-    "sphinx-gallery==0.14.0",
     "sphinx-notfound-page==1.0.0",
     "sphinxcontrib-websupport==1.2.4; python_version <= '3.9'",
     "sphinxcontrib-websupport==1.2.5; python_version <= '3.7'",
@@ -212,4 +214,4 @@ exclude = [
     '\.Modeler3D\.create_choke$',  # bad RT05
     '\._unittest',  # missing docstring for tests
     'HistoryProps.',  # bad RT05 because of the base class named OrderedDict
-]
+]