docs(mongoose): add options.overwriteModel details to `mongoose.mod…

…el()` docs

Fix #14387

lib/index.js

@@ -507,12 +507,14 @@ Mongoose.prototype.pluralize = function(fn) {
  *
  *     // or
  *
- *     const collectionName = 'actor'
- *     const M = mongoose.model('Actor', schema, collectionName)
+ *     const collectionName = 'actor';
+ *     const M = mongoose.model('Actor', schema, collectionName);
  *
  * @param {String|Function} name model name or class extending Model
  * @param {Schema} [schema] the schema to use.
  * @param {String} [collection] name (optional, inferred from model name)
+ * @param {Object} [options]
+ * @param {Boolean} [options.overwriteModels=false] If true, overwrite existing models with the same name to avoid `OverwriteModelError`
  * @return {Model} The model associated with `name`. Mongoose will create the model if it doesn't already exist.
  * @api public
  */