fix path

.readthedocs.yaml

@@ -16,7 +16,7 @@ build:
 
 # Build documentation in the "docs/" directory with Sphinx
 sphinx:
-  configuration: documentation/source/conf.py
+  configuration: documentation/conf.py
   # You can configure Sphinx to use a different builder, for instance use the dirhtml builder for simpler URLs
   # builder: "dirhtml"
   # Fail on all warnings to avoid broken references
@@ -30,6 +30,6 @@ sphinx:
 # 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: documentation//requirements.txt

documentation/requirements.txt

@@ -55,4 +55,5 @@ sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
 urllib3==1.26.9
-    # via requests
+    # via requests
+sphinx_rtd_theme