Added frames package

.gitmodules

@@ -50,3 +50,7 @@
 	path = book/external/Sphinx-Named-Colors
 	url = https://github.com/TeachBooks/Sphinx-Named-Colors.git
 	branch = manual
+[submodule "book/external/Sphinx-Iframes"]
+	path = book/external/Sphinx-Iframes
+	url = https://github.com/TeachBooks/sphinx-iframes.git
+	branch = manual

book/_config.yml

@@ -21,6 +21,7 @@ sphinx:
   - sphinx_exercise
   - sphinx_proof
   - sphinx_named_colors
+  - sphinx-iframes
   config:
     html_js_files:
     - https://cdnjs.cloudflare.com/ajax/libs/require.js/2.3.4/require.min.js

book/_toc.yml

@@ -82,6 +82,7 @@ parts:
       - file: external/teachbooks-sphinx-tippy/README.md
       - file: features/apa
       - file: external/Sphinx-Named-Colors/README.md
+      - file: external/Sphinx-Iframes/README.md
     - file: features/students
       sections:
       - file: external/annotater/README.md

requirements.txt

@@ -7,6 +7,7 @@ sphinx-image-inverter == 1.1.0
 sphinx-exercise == 1.0.1
 sphinx-proof == 0.2.0
 sphinx-named-colors == 1.0.1
+git+https://github.com/TeachBooks/sphinx-iframes.git
 
 --extra-index-url https://gitlab.tudelft.nl/api/v4/projects/11239/packages/pypi/simple
 sphinx-thebe ~= 0.9.9