chore(docs): use rtd theme (#238)

In order to resolve #237, this fixes the ability to deploy the docs to
github pages via the github action.

I tested this workflow on my branch and the output is here:
https://adamweeks.github.io/WebexPythonSDK/
https://github.com/adamweeks/WebexPythonSDK/actions/runs/10291284373

Author: Joezanini

.github/workflows/docs.yml

@@ -16,6 +16,7 @@ jobs:
       id-token: write
     environment:
       name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
     env:
       POETRY_VIRTUALENVS_CREATE: false
     steps:

docs/conf.py

@@ -6,6 +6,7 @@
 
 
 import webexpythonsdk
+import sphinx_rtd_theme
 
 
 project = "webexpythonsdk"
@@ -52,13 +53,9 @@
 # a list of builtin themes.
 #
 # html_theme = 'alabaster'
-on_rtd = os.environ.get("READTHEDOCS", None) == "True"
 
-if not on_rtd:
-    import sphinx_rtd_theme
-
-    html_theme = "sphinx_rtd_theme"
-    html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+html_theme = "sphinx_rtd_theme"
+html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the

docs/requirements.txt

@@ -0,0 +1 @@
+sphinx_rtd_theme