doc: install iplotx when building documentation

Author: ntamas

scripts/mkdoc.sh

@@ -54,18 +54,18 @@ if [ ! -d ".venv" ]; then
   echo "Creating virtualenv..."
   ${PYTHON:-python3} -m venv .venv
 
-  # Install sphinx, matplotlib, pandas, scipy, wheel and pydoctor into the venv.
+  # Install documentation dependencies into the venv.
   # doc2dash is optional; it will be installed when -d is given
-  .venv/bin/pip install -q -U pip wheel sphinx==7.4.7 matplotlib pandas scipy pydoctor sphinx-rtd-theme
+  .venv/bin/pip install -q -U pip wheel sphinx==7.4.7 matplotlib pandas scipy pydoctor sphinx-rtd-theme iplotx
 else
   # Upgrade pip in the virtualenv
   echo "Upgrading pip in virtualenv..."
   .venv/bin/pip install -q -U pip wheel
 fi
 
-# Make sure that Sphinx, PyDoctor (and maybe doc2dash) are up-to-date in the virtualenv
+# Make sure that documentation dependencies are up-to-date in the virtualenv
 echo "Making sure that all dependencies are up-to-date..."
-.venv/bin/pip install -q -U sphinx==7.4.7 pydoctor sphinx-gallery sphinxcontrib-jquery sphinx-rtd-theme
+.venv/bin/pip install -q -U sphinx==7.4.7 pydoctor sphinx-gallery sphinxcontrib-jquery sphinx-rtd-theme iplotx
 if [ x$DOC2DASH = x1 ]; then
   .venv/bin/pip install -U doc2dash
 fi