ci: Add codespell spelling check

Signed-off-by: Mario Trangoni <mjtrangoni@gmail.com>

.circleci/config.yml

@@ -155,12 +155,23 @@ jobs:
           at: ../gh-pages
       - run: ./.circleci/deploy-docs.sh
 
+  codespell:
+    docker:
+    - image: circleci/python
+
+    steps:
+    - checkout
+    - run: sudo pip install codespell
+    - run: codespell -S './.git*,./src/img*' -L que
+
 workflows:
   version: 2
   build-master:
     jobs:
       - build:
           filters: *filter-only-master
+      - codespell:
+          filters: *filter-only-master
       - lint:
           filters: *filter-only-master
       - test:
@@ -170,6 +181,8 @@ workflows:
     jobs:
       - build:
           filters: *filter-not-release-or-master
+      - codespell:
+          filters: *filter-not-release-or-master
       - lint:
           filters: *filter-not-release-or-master
       - test:
@@ -179,6 +192,8 @@ workflows:
     jobs:
       - build:
           filters: *filter-only-release
+      - codespell:
+          filters: *filter-only-release
       - lint:
           filters: *filter-only-release
       - test:
@@ -186,6 +201,7 @@ workflows:
       - make-release:
           requires:
             - build
+            - codespell
             - lint
             - test
           filters: *filter-only-release