feat(dev-infra): create commit-message validation script/tooling (#36117)

PR Close #36117

dev-infra/commit-message/config.ts

@@ -0,0 +1,13 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+export interface CommitMessageConfig {
+  maxLineLength: number;
+  minBodyLength: number;
+  types: string[];
+  scopes: string[];
+}