Mark incomplete features as under construction and implement v0.0.2 release

- Mark incomplete statistics charts with construction notices
- Disable non-functional 3D radar controls
- Implement collapsible Display Options menu (defaults to collapsed)
- Add toast notifications for better error feedback
- Update version to 0.0.2 across all files and packages
- Improve Debian packaging with root-owner-group flag
- Update repository URLs to Forgejo instance
- Create comprehensive feature status documentation
- Created 10 detailed issues for all incomplete features (#5-#14)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

assets/static/css/style.css

@@ -417,6 +417,99 @@ body {
     color: #ffffff !important;
 }
 
+/* Under Construction Styles */
+.under-construction {
+    color: #ff8c00;
+    font-size: 0.8em;
+    font-weight: normal;
+    margin-left: 8px;
+}
+
+.construction-notice {
+    background: rgba(255, 140, 0, 0.1);
+    border: 1px solid #ff8c00;
+    border-radius: 4px;
+    padding: 8px;
+    margin: 8px 0;
+    font-size: 0.9em;
+    color: #ff8c00;
+    text-align: center;
+}
+
+/* Toast Notifications */
+.toast-notification {
+    position: fixed;
+    top: 20px;
+    right: 20px;
+    background: rgba(40, 40, 40, 0.95);
+    border: 1px solid #555;
+    border-radius: 6px;
+    padding: 12px 20px;
+    color: #ffffff;
+    font-size: 0.9em;
+    max-width: 300px;
+    z-index: 10000;
+    transform: translateX(320px);
+    transition: transform 0.3s ease-in-out;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
+}
+
+.toast-notification.error {
+    border-color: #ff8c00;
+    background: rgba(255, 140, 0, 0.1);
+    color: #ff8c00;
+}
+
+.toast-notification.show {
+    transform: translateX(0);
+}
+
+/* Version Info */
+.version-info {
+    font-size: 0.6em;
+    color: #888;
+    font-weight: normal;
+    margin-left: 8px;
+}
+
+/* Collapsible Sections */
+.collapsible-header {
+    cursor: pointer;
+    user-select: none;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin: 0 0 8px 0;
+    padding: 4px 0;
+    border-bottom: 1px solid #444;
+}
+
+.collapsible-header:hover {
+    color: #4a9eff;
+}
+
+.collapse-indicator {
+    font-size: 0.8em;
+    transition: transform 0.2s ease;
+    color: #888;
+}
+
+.collapsible-header.collapsed .collapse-indicator {
+    transform: rotate(-90deg);
+}
+
+.collapsible-content {
+    overflow: hidden;
+    transition: max-height 0.3s ease;
+    max-height: 200px;
+}
+
+.collapsible-content.collapsed {
+    max-height: 0;
+    margin: 0;
+    padding: 0;
+}
+
 .leaflet-popup-tip {
     background: #2d2d2d !important;
 }