feat: review suggestion correction plus pypandoc(#1944)

Author: moe-ad

doc/source/conf.py

@@ -400,8 +400,8 @@ def reset_servers(gallery_conf, fname, when):
 # Optionally exclude api or example documentation generation.
 BUILD_API = True if os.environ.get("BUILD_API", "true") == "true" else False
 if BUILD_API:
-    extensions.extend("ansys_sphinx_theme.extension.autoapi")
+    extensions.extend(["ansys_sphinx_theme.extension.autoapi"])
 
 BUILD_EXAMPLES = True if os.environ.get("BUILD_EXAMPLES", "true") == "true" else False
 if BUILD_EXAMPLES:
-    extensions.extend("sphinx_gallery.gen_gallery")
+    extensions.extend(["sphinx_gallery.gen_gallery"])

requirements/requirements_docs.txt

@@ -4,6 +4,7 @@ graphviz==0.20.1
 imageio==2.36.1
 imageio-ffmpeg==0.6.0
 nbsphinx==0.9.6
+pypandoc==1.15
 pytest-sphinx==0.6.3
 pyvista==0.44.2
 sphinx==8.1.3