feat: add related todos functionality in task editing

- Implemented `RelatedTodos` component in `EditTaskForm` to display and manage related todos for a task.
- Updated `TasksClient` to fetch daily checkboxes related to a task.
- Enhanced `TasksService` with a method to retrieve related daily checkboxes from the database.
- Added functionality to create new todos linked to tasks in the daily actions.
- Marked the task for displaying related todos in the task editing interface as complete in TODO.md.

src/app/api/tasks/[id]/checkboxes/route.ts

@@ -0,0 +1,28 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { tasksService } from '@/services/tasks';
+
+export async function GET(
+    request: NextRequest,
+    { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const { id } = await params;
+    
+    if (!id) {
+      return NextResponse.json(
+        { error: 'ID de tâche requis' },
+        { status: 400 }
+      );
+    }
+
+    const checkboxes = await tasksService.getTaskRelatedCheckboxes(id);
+
+    return NextResponse.json({ data: checkboxes });
+  } catch (error) {
+    console.error('Erreur lors de la récupération des checkboxes:', error);
+    return NextResponse.json(
+      { error: 'Erreur lors de la récupération des checkboxes' },
+      { status: 500 }
+    );
+  }
+}