ci: pr: check for typos

Uses typos [0] to check for any spelling mistakes. A few custom
rules are needed to ignore some specific words, as one might expect.

This will now cause the `pr` workflow to error out if any typos are
found.

[0] https://github.com/crate-ci/typos

Signed-off-by: Christoph Heiss <christoph@c8h4.io>

.forgejo/workflows/pr.yml

@@ -19,6 +19,12 @@ jobs:
           pnpm run lint:remark
           pnpm run format:prettier
           git diff --exit-code
+      - name: run typos
+        uses: https://github.com/crate-ci/typos@v1.29.4
+        with:
+          write_changes: true
+      - name: check typos result
+        run: git diff --exit-code
       - name: scripts/cli-docs.sh
         run: |
           scripts/cli-docs.sh run ${{ env.GITHUB_BASE_REF }} > docs/admin/command-line.md

.typos.toml

@@ -0,0 +1,20 @@
+# https://github.com/crate-ci/typos/blob/master/docs/reference.md
+
+# mask some false positives
+[default.extend-words]
+# ./docs/admin/recommendations.md
+Redict = "Redict"
+# ./docs/admin/command-line.md
+HELO = "HELO"
+TABL = "TABL" # weird false-positive
+# ./docs/admin/config-cheat-sheet.md
+odf = "odf"
+# ./docs/contributor/adr/adr-activity-for-like.md
+edn = "edn"
+
+[default]
+extend-ignore-identifiers-re = [
+	# ./docs/admin/config-cheat-sheet.md
+	"\\b(ecdhe_)?rsa_with_.*\\b",
+]
+