fix(docs): add jsdoc-region-tag plugin (#1879)

Author: Benjamin E. Coe

.jsdoc.js

@@ -26,7 +26,8 @@ module.exports = {
  destination: './docs/'
  },
  plugins: [
- 'plugins/markdown'
+ 'plugins/markdown',
+ 'jsdoc-region-tag'
  ],
  source: {
  excludePattern: '(^|\\/|\\\\)[._]',