Improve visual consistency and modern standards across the website

Add CSP nonce to script tags in park_detail.html and update Park model to potentially handle historical events.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 48ecdb60-d0f0-4b75-95c9-34e409ef35fb
Replit-Commit-Checkpoint-Type: intermediate_checkpoint

templates/parks/park_detail.html

@@ -12,7 +12,7 @@
 {% endblock %}
 
 {% block content %}
-<script>
+<script nonce="{{ request.csp_nonce }}">
     document.addEventListener('alpine:init', () => {
         Alpine.data('photoUploadModal', () => ({
             show: false,
@@ -66,7 +66,7 @@
                 <dd class="mt-1">
                     <span class="text-sm font-bold text-sky-900 dark:text-sky-400">
                         {{ park.operator.name }}
-                    </a>
+                    </span>
                 </dd>
             </div>
         </div>
@@ -274,7 +274,7 @@
 <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
 <script src="{% static 'js/park-map.js' %}"></script>
 
-<script>
+<script nonce="{{ request.csp_nonce }}">
 document.addEventListener('DOMContentLoaded', function() {
     var mapElement = document.getElementById('park-map');
     if (mapElement && mapElement.dataset.latitude && mapElement.dataset.longitude) {