[ci] add typos workflow

Author: TomasVotruba

.github/workflows/typos.yaml.yml

@@ -0,0 +1,19 @@
+# https://help.github.com/en/categories/automating-your-workflow-with-github-actions
+name: "Spelling"
+
+on:
+    pull_request:
+    push:
+
+jobs:
+    typos:
+        name: "Check for typos"
+        runs-on: "ubuntu-latest"
+
+        steps:
+            - uses: actions/checkout@v4
+
+            - name: "Check for typos"
+              uses: "crate-ci/typos@v1"
+              with:
+                  files: "README.md src rules tests"