[gnome-boxes/wip/codespell-ci] CI: Add codespell job

[Felipe Borges <felipeborges src gnome org>]

commit 63275fe61d53100036361d506b0596c6cfe35ca1
Author: Felipe Borges <felipeborges gnome org>
Date:   Mon Aug 10 11:39:36 2020 +0200

    CI: Add codespell job

 .gitlab-ci.yml | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d9c4bbbd..45bbb09d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,7 @@
 include: 'https://gitlab.gnome.org/GNOME/citemplates/raw/master/flatpak/flatpak_ci_initiative.yml'
 
 stages:
+- codespell
 - test
 - fedora
 - deploy
@@ -38,3 +39,13 @@ fedora:rawhide:
     script:
         - meson _build .
         - ninja -C _build
+
+codespell:
+    image: fedora:rawhide
+    stage: codespell
+    before_script:
+    - dnf update -y --nogpgcheck
+    - dnf install -y codespell
+
+    script:
+    - codespell --skip=".git" --quiet-level=2 --builtin usage