ci: run specific notebooks from GitHub Actions (#154)

* fix: update link to expertsystem issue
  Fixes https://github.com/ComPWA/compwa-org/runs/6571275289

* fix: switch to build.commands
  https://readthedocs.org/projects/compwa-org/builds/17117190/
  https://docs.readthedocs.io/en/stable/build-customization.html#override-the-build-process-completely

.github/workflows/notebooks.yml

@@ -2,6 +2,11 @@ name: Run all notebooks
 
 on:
   workflow_dispatch:
+    inputs:
+      notebook-selector:
+        description: Relative path to notebooks
+        required: false
+        type: string
 
 jobs:
   pytest:
@@ -16,4 +21,4 @@ jobs:
         run: |
           sudo apt-get -y install graphviz
           pip install -c .constraints/py3.8.txt .[test]
-      - run: pytest --nbmake
+      - run: pytest --nbmake ${{ github.event.inputs.notebook-selector }}

.readthedocs.yml

@@ -10,10 +10,11 @@ formats:
 
 build:
   os: ubuntu-20.04
-  tools:
-    python: "3.8"
   apt_packages:
     - graphviz
-  jobs:
-    post_install:
-      - pip install -e .[doc] -c .constraints/py3.8.txt
+  tools:
+    python: "3.8"
+  commands:
+    - pip install -e .[doc] -c .constraints/py3.8.txt
+    - cat docs/conf.py
+    - sphinx-build --keep-going -TW -b html docs/ _readthedocs/html

docs/adr/001.md

@@ -22,8 +22,8 @@ requirements:
 
 ### Technical story
 
-- {issue}`ComPWA/expertsystem#382`: Coupling parameters in the `AmplitudeModel`
-  is difficult (has to be done through the place where they are used in the
+- {issue}`ComPWA/ampform#5`: Coupling parameters in the `AmplitudeModel` is
+  difficult (has to be done through the place where they are used in the
   `dynamics` or `intensity` section) and counter-intuitive (cannot be done
   through the `parameters` section)
 - {issue}`ComPWA/expertsystem#440`: when overwriting existing dynamics, old