uniweb: ID in title for anchor links

uniweb/templates/uniweb/blocks/advanced_title.html

 {% if first %}
-<h1 class="head-alt-md md:head-alt-lg px-4 pt-4 pb-2 {{ css_class|join:" " }}">{{ block.value.title }}</h1>
+<h1 class="head-alt-md md:head-alt-lg px-4 pt-4 pb-2 {{ css_class|join:" " }}" id="{{ block.value.title|slugify }}">{{ block.value.title }}</h1>
 {% else %}
-<h1 class="head-alt-md md:head-alt-lg px-4 pt-4 pb-2 lg:mt-16 {{ css_class|join:" " }}">{{ block.value.title }}</h1>
+<h1 class="head-alt-md md:head-alt-lg px-4 pt-4 pb-2 lg:mt-16 {{ css_class|join:" " }}" id="{{ block.value.title|slugify }}">{{ block.value.title }}</h1>
 {% endif %}

uniweb/templates/uniweb/blocks/picture_title.html

 {% load wagtailimages_tags %}
-<h1 class="head-alt-md md:head-alt-lg px-4 pt-4 pb-2 lg:mt-16 clearfix {{ css_class|join:" " }}">
+<h1 class="head-alt-md md:head-alt-lg px-4 pt-4 pb-2 lg:mt-16 clearfix {{ css_class|join:" " }}" id="{{ block.value.title|slugify }}">
   {% image block.value.picture height-75 class="float-right mb-2 ml-2" %}
   {{ block.value.title }}
 </h1>

uniweb/templates/uniweb/blocks/title.html

 {% if first %}
-<h1 class="head-alt-md md:head-alt-lg mb-4 px-4">{{ block.value }}</h1>
+<h1 class="head-alt-md md:head-alt-lg mb-4 px-4" id="{{ block.value|slugify }}">{{ block.value }}</h1>
 {% else %}
-<h1 class="head-alt-md md:head-alt-lg px-4 pt-4 pb-2 lg:mt-16">{{ block.value }}</h1>
+<h1 class="head-alt-md md:head-alt-lg px-4 pt-4 pb-2 lg:mt-16" id="{{ block.value|slugify }}">{{ block.value }}</h1>
 {% endif %}