feat(*): Add region-game mappings

src/lib/repositories/RegionGameMappingRepository.ts

@@ -0,0 +1,25 @@
+import RegionGameMappingModel, { type RegionGameMapping } from '$lib/models/RegionGameMapping';
+
+class RegionGameMappingRepository {
+	async findById(id: string): Promise<RegionGameMapping | null> {
+		return RegionGameMappingModel.findById(id).exec();
+	}
+
+	async findAll(): Promise<RegionGameMapping[]> {
+		return RegionGameMappingModel.find().exec();
+	}
+
+	async create(data: Partial<RegionGameMapping>): Promise<RegionGameMapping> {
+		return RegionGameMappingModel.create(data);
+	}
+
+	async update(id: string, data: Partial<RegionGameMapping>): Promise<RegionGameMapping | null> {
+		return RegionGameMappingModel.findByIdAndUpdate(id, data, { new: true }).exec();
+	}
+
+	async delete(id: string): Promise<void> {
+		await RegionGameMappingModel.findByIdAndDelete(id).exec();
+	}
+}
+
+export default RegionGameMappingRepository;