CI: add circle

Author: jklymak

.circleci/config.yml

@@ -0,0 +1,24 @@
+version: 2.1
+
+orbs:
+  python: circleci/[email protected]
+
+jobs:
+  build_docs:
+    executor: python/default
+    steps:
+      - checkout
+      - python/install-deps
+      - run:
+          name: Build cheatsheets and docs
+          command: make all
+      - persist_to_workspace:
+          root: docs/_build/html
+          paths: .
+      - store_artifacts:
+          path: docs/_build/html/
+
+workflows:
+  main:
+    jobs:
+      - build_docs