feat(ui): 更新品牌标识和系统名称

将系统名称和品牌标识更新为“东南信科网络资产管理系统”
移除商业版和企业版链接，替换为东南信科LAB链接

netbox/templates/base/layout.html

@@ -37,7 +37,7 @@ Blocks:
           <a href="{% url 'home' %}">
             <img src="{% static 'logo_netbox_dark_teal.svg' %}" alt="{% trans "NetBox Logo" %}" class="navbar-brand-image hide-theme-dark">
             <img src="{% static 'logo_netbox_bright_teal.svg' %}" alt="{% trans "NetBox Logo" %}" class="navbar-brand-image hide-theme-light">
-            <div class="netbox-edition fw-semibold text-center fs-5 my-1">东南信科Lab</div>
+            <div class="netbox-edition fw-semibold text-center fs-5 my-1">东南信科网络资产管理系统</div>
           </a>
         </h1>
 
@@ -57,8 +57,7 @@ Blocks:
             {{ settings.RELEASE.name }}
             {% if not settings.RELEASE.features.commercial and not settings.ISOLATED_DEPLOYMENT %}
               <div>
-                <a href="https://netboxlabs.com/netbox-cloud/" class="text-muted">{% trans "Get" %} Cloud</a> |
-                <a href="https://netboxlabs.com/netbox-enterprise/" class="text-muted">{% trans "Get" %} Enterprise</a>
+                <a href="https://www.dongnantech.com" class="text-muted">东南信科 LAB</a>
               </div>
             {% endif %}
           </div>

netbox/templates/login.html

@@ -13,7 +13,7 @@
       <div class="text-center mb-4">
         <img src="{% static 'logo_netbox_dark_teal.svg' %}" alt="{% trans "NetBox Logo" %}" height="80" class="hide-theme-dark logo">
         <img src="{% static 'logo_netbox_bright_teal.svg' %}" alt="{% trans "NetBox Logo" %}" height="80" class="hide-theme-light logo">
-        <div class="netbox-edition fw-semibold">{{ settings.RELEASE.edition }}</div>
+        <div class="netbox-edition fw-semibold">东南信科网络资产管理系统</div>
       </div>
 
       {# Login banner #}