Add USB, Notifications, Network plugins and reusable EmployeeSearch component

New Plugins:
- USB plugin: Device checkout/checkin with employee lookup, checkout history
- Notifications plugin: Announcements with types, scheduling, shopfloor display
- Network plugin: Network device management with subnets and VLANs
- Equipment and Computers plugins: Asset type separation

Frontend:
- EmployeeSearch component: Reusable employee lookup with autocomplete
- USB views: List, detail, checkout/checkin modals
- Notifications views: List, form with recognition mode
- Network views: Device list, detail, form
- Calendar view with FullCalendar integration
- Shopfloor and TV dashboard views
- Reports index page
- Map editor for asset positioning
- Light/dark mode fixes for map tooltips

Backend:
- Employee search API with external lookup service
- Collector API for PowerShell data collection
- Reports API endpoints
- Slides API for TV dashboard
- Fixed AppVersion model (removed BaseModel inheritance)
- Added checkout_name column to usbcheckouts table

Styling:
- Unified detail page styles
- Improved pagination (page numbers instead of prev/next)
- Dark/light mode theme improvements

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/src/views/knowledgebase/KnowledgeBaseDetail.vue

@@ -157,12 +157,20 @@ async function openArticle() {
 .info-table td a {
   color: var(--primary, #1976d2);
   text-decoration: none;
+  word-break: break-all;
+  overflow-wrap: break-word;
 }
 
 .info-table td a:hover {
   text-decoration: underline;
 }
 
+.info-table td {
+  word-break: break-word;
+  overflow-wrap: break-word;
+  max-width: 500px;
+}
+
 hr {
   margin: 1.5rem 0;
   border: none;