install docs requirements

Author: mahenzon

.github/workflows/documentation.yaml

@@ -20,7 +20,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install sphinx sphinx_rtd_theme
-          pip -r docs/requirements.txt
+          pip install -r docs/requirements.txt
       - name: Sphinx build
         run: |
           sphinx-build docs _build

.readthedocs.yaml

@@ -31,6 +31,6 @@ formats:
 # Optional but recommended, declare the Python requirements required
 # to build your documentation
 # See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
-# python:
-#    install:
-#    - requirements: docs/requirements.txt
+python:
+  install:
+    - requirements: docs/requirements.txt