Add typos workflow

.github/workflows/elixir.yml

@@ -27,6 +27,14 @@ jobs:
         run: |
           docker compose run app mix sobelow --config
           docker compose run app mix deps.audit
+
+  typos:
+    name: 'Check for spelling errors'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: crate-ci/typos@master
+
   lint-and-test:
     name: 'JavaScript Linting and Unit Tests'
     runs-on: ubuntu-latest

.typos.toml

@@ -0,0 +1,10 @@
+[default]
+extend-ignore-re = [
+  # Ignore development secret key. Production secret key should
+  # be in environment files and not checked into source control.
+  ".*secret_key_base.*",
+
+  # Key constraints with encoded names
+  "fk_rails_[a-f0-9]+"
+]
+