chore: add example always open place and update dist(#298)

Author: jpoehnelt

dist/documentation/schemas/maps_http_schema_placeopeninghoursperiod.html

@@ -4,8 +4,8 @@
 
 | Field                                                                                                      | Required     | Type                                                                                            | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
 | :--------------------------------------------------------------------------------------------------------- | ------------ | ----------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| <h4 id="PlaceOpeningHoursPeriod-close" class="add-link schema-object-property-key"><code>close</code></h4> | **required** | [PlaceOpeningHoursPeriodDetail](#PlaceOpeningHoursPeriodDetail "PlaceOpeningHoursPeriodDetail") | <div class="ref-property-description"><p>May contain a pair of day and time objects describing when the place closes. If a place is always open, the close section will be missing from the response. Clients can rely on always-open being represented as an open period containing day with value <code>0</code> and time with value <code>0000</code>, and no <code>close</code>.</p><p>See <a href="#PlaceOpeningHoursPeriodDetail">PlaceOpeningHoursPeriodDetail</a> for more information.</div> |
 | <h4 id="PlaceOpeningHoursPeriod-open" class="add-link schema-object-property-key"><code>open</code></h4>   | **required** | [PlaceOpeningHoursPeriodDetail](#PlaceOpeningHoursPeriodDetail "PlaceOpeningHoursPeriodDetail") | <div class="ref-property-description"><p>Contains a pair of day and time objects describing when the place opens.</p><p>See <a href="#PlaceOpeningHoursPeriodDetail">PlaceOpeningHoursPeriodDetail</a> for more information.</div>                                                                                                                                                                                                                                                                    |
+| <h4 id="PlaceOpeningHoursPeriod-close" class="add-link schema-object-property-key"><code>close</code></h4> | optional     | [PlaceOpeningHoursPeriodDetail](#PlaceOpeningHoursPeriodDetail "PlaceOpeningHoursPeriodDetail") | <div class="ref-property-description"><p>May contain a pair of day and time objects describing when the place closes. If a place is always open, the close section will be missing from the response. Clients can rely on always-open being represented as an open period containing day with value <code>0</code> and time with value <code>0000</code>, and no <code>close</code>.</p><p>See <a href="#PlaceOpeningHoursPeriodDetail">PlaceOpeningHoursPeriodDetail</a> for more information.</div> |
 
 <p style="text-align: right; font-size: smaller;">Generated from the <a class="gc-analytics-event" data-category="GMP" data-label="openapi-github" href="https://github.com/googlemaps/openapi-specification" title="Google Maps Platform OpenAPI Specification" class="external">OpenAPI specification</a>.
 <a class="gc-analytics-event" data-category="GMP" data-label="openapi-github-maps-http-schema-placeopeninghoursperiod" data-action="edit" style="margin-left: 5px;" href="https://github.com/googlemaps/openapi-specification/blob/main/specification/schemas/PlaceOpeningHoursPeriod.yml" title="Edit on GitHub"><span class="material-icons">edit</span> Edit</a>