Add travis-ci

.travis.yml

@@ -0,0 +1,16 @@
+language: python
+python: 3.7
+
+install:
+  - pip install -r requirements.txt
+
+script:
+  - sphinx-build source build
+
+deploy:
+  provider: pages
+  skip-cleanup: true
+  local-dir: ./build
+  github-token: $GITHUB_TOKEN
+  on:
+    branch: master