feat(contents): add update and remove methods to contents service

- Introduced `update` method for partial content updates.
- Added `remove` method to handle content deletion.

frontend/src/services/content.service.ts

@@ -66,6 +66,15 @@ export const ContentService = {
 		await api.delete(`/contents/${id}/admin`);
 	},
 
+	async update(id: string, update: Partial<Content>): Promise<Content> {
+		const { data } = await api.patch<Content>(`/contents/${id}`, update);
+		return data;
+	},
+
+	async remove(id: string): Promise<void> {
+		await api.delete(`/contents/${id}`);
+	},
+
 	async updateAdmin(id: string, update: Partial<Content>): Promise<Content> {
 		const { data } = await api.patch<Content>(`/contents/${id}/admin`, update);
 		return data;