feat: add deals, tasks, and organizations pages with CRUD functionality

- Implemented DealsPage with deal creation, updating, and filtering features.
- Added OrganizationsPage to manage and switch between organizations.
- Created TasksPage for task management, including task creation and filtering.
- Updated router to include new pages for navigation.

frontend/src/components/crm/task-status-pill.tsx

@@ -0,0 +1,12 @@
+import { CheckCircle2, CircleDashed } from 'lucide-react'
+
+interface TaskStatusPillProps {
+  done: boolean
+}
+
+export const TaskStatusPill = ({ done }: TaskStatusPillProps) => (
+  <span className="inline-flex items-center gap-1 rounded-full border px-2.5 py-0.5 text-xs font-semibold">
+    {done ? <CheckCircle2 className="h-4 w-4 text-emerald-500" /> : <CircleDashed className="h-4 w-4 text-amber-500" />}
+    {done ? 'Выполнена' : 'Открыта'}
+  </span>
+)