refactor: melhorias na UI - navbar, logo e layout da data

templates/base.html

@@ -24,7 +24,7 @@
                 <span class="navbar-toggler-icon"></span>
             </button>
             <div class="collapse navbar-collapse" id="navbarNav">
-                <ul class="navbar-nav me-auto">
+                <ul class="navbar-nav mx-auto">
                     {% if current_user.has_permission('view_cell_data') %}
                     <li class="nav-item dropdown">
                         <a class="nav-link dropdown-toggle" href="#" id="militantesDropdown" role="button" data-bs-toggle="dropdown">

templates/home.html

@@ -3,15 +3,13 @@
 {% block title %}Home{% endblock %}
 
 {% block content %}
-<div class="row mb-4">
+<div class="row g-4">
     <div class="col-12">
-        <h3 class="text-muted mb-4">
+        <h3 class="date-header">
             {{ data_atual }}
         </h3>
     </div>
-</div>
 
-<div class="row g-4">
     {% if current_user.has_permission('view_cell_data') %}
     <!-- Card de Militantes -->
     <div class="col-md-6 col-lg-3">