chore: use shared Vale rules

Fetch the Docker style package from docs-toolkit and retain only the local vocabulary and repository-specific configuration. Resolve existing canonical-name violations exposed by the shared package.

scripts/lint.sh

@@ -29,7 +29,9 @@ fi
 
 echo ""
 echo "=== vale ==="
-if ! vale --no-global --config="$repo_root/.vale.ini" "$@" 2>&1; then
+if ! vale --no-global --config="$repo_root/.vale.ini" sync 2>&1; then
+  exit_code=1
+elif ! vale --no-global --config="$repo_root/.vale.ini" "$@" 2>&1; then
   exit_code=1
 fi