Generate help text in readthedocs

.readthedocs.yaml

@@ -9,11 +9,18 @@ conda:
 
 # Required for project building and versioning
 python:
-   version: 3.8 # matches in environment.yml
    install:
       - method: pip
         path: .
 
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "miniconda3-4.7"
+  jobs:
+    post_install:
+      - make -C doc cmdline-help
+
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: doc/conf.py