feat: Enhance governance dashboard with activity tracking

- Add governance activity tracker to record user actions.
- Display recent activities on the governance dashboard.
- Add a dedicated page to view all governance activities.
- Improve header information and styling across governance pages.
- Track proposal creation and voting activities.

actix_mvc_app/src/views/governance/create_proposal.html

@@ -4,25 +4,11 @@
 
 {% block content %}
 <div class="container-fluid">
+    <!-- Header -->
+    {% include "governance/_header.html" %}
+
     <!-- Navigation Tabs -->
-    <div class="row mb-4">
-        <div class="col-12">
-            <ul class="nav nav-tabs">
-                <li class="nav-item">
-                    <a class="nav-link" href="/governance">Dashboard</a>
-                </li>
-                <li class="nav-item">
-                    <a class="nav-link" href="/governance/proposals">All Proposals</a>
-                </li>
-                <li class="nav-item">
-                    <a class="nav-link" href="/governance/my-votes">My Votes</a>
-                </li>
-                <li class="nav-item">
-                    <a class="nav-link active" href="/governance/create">Create Proposal</a>
-                </li>
-            </ul>
-        </div>
-    </div>
+    {% include "governance/_tabs.html" %}
 
     <!-- Info Alert -->
     <div class="row">