updated documentation config

readthedocs.yml

@@ -1,4 +1,15 @@
+version: 2
+
 python:
    version: 3.7
+   install:
+       - requirements: requirements.txt
+       - method: pip3
+         path: .
+         extra_requirements:
+        - -e ./
 
-requirements_file: requirements.txt
+sphinx:
+  builder: html
+  configuration: docs/conf.py
+  fail_on_warning: true