Added multiversion command to CircleCI and README.

Signed-off-by: Leander Stephen D'Souza <leanderdsouza1234@gmail.com>

Author: leander-dsouza

.circleci/config.yml

@@ -23,7 +23,7 @@ references:
   make_docs: &make_docs
     run:
       command: |
-        make html
+        make multiversion
   store_docs: &store_docs
     store_artifacts:
         path: _build/html

README.md

@@ -31,7 +31,7 @@ pip3 install -r requirements.txt
 ```
 
 ### Build the Docs
-Build the docs locally with `make html` and you'll find the built docs entry point in `_build/html/index.html`.
+Build the docs locally with `make multiversion` and you'll find the built docs entry point in `_build/html/index.html`.
 
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