build: add missing commitlint file

Author: JackCuthbert

commitlint.config.cjs

@@ -0,0 +1,8 @@
+module.exports = {
+  extends: ['@commitlint/config-conventional'],
+  rules: {
+    // To have appropriate formatting when viewed in source control UI
+    'body-max-line-length': [1, 'always', 72],
+    'scope-enum': [2, 'always', ['deps', 'deps-dev']]
+  }
+}