feat(*): Add region-game mappings

src/lib/helpers/region-game-mapping.json

@@ -0,0 +1,46 @@
+[
+	{
+		"region": "Kanto",
+		"games": ["Red", "Blue", "Yellow", "LG: Pikachu", "LG: Eevee"]
+	},
+	{
+		"region": "Johto",
+		"games": ["Gold", "Silver", "Crystal", "HG", "SS"]
+	},
+	{
+		"region": "Hoenn",
+		"games": ["Ruby", "Sapphire", "Emerald", "OR", "AS"]
+	},
+	{
+		"region": "Sinnoh",
+		"games": ["Diamond", "Pearl", "Platinum", "BD", "SP"]
+	},
+	{
+		"region": "Unova",
+		"games": ["Black", "White", "Black2", "White2", "Dream Radar"]
+	},
+	{
+		"region": "Kalos",
+		"games": ["X", "Y"]
+	},
+	{
+		"region": "Alola",
+		"games": ["Sun", "Moon", "Moon Demo", "US", "UM"]
+	},
+	{
+		"region": "Galar",
+		"games": ["Sword", "Shield"]
+	},
+	{
+		"region": "Hisui",
+		"games": ["PLA"]
+	},
+	{
+		"region": "Paldea",
+		"games": ["Scarlet", "Violet"]
+	},
+	{
+		"region": "Unknown",
+		"games": ["Home", "Go"]
+	}
+]

src/lib/models/RegionGameMapping.ts

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+import mongoose, { Schema, Document } from 'mongoose';
+
+export interface RegionGameMapping extends Document {
+	region: string;
+	games: string[];
+}
+
+const regionGameMappingSchema = new Schema<RegionGameMapping>({
+	region: String,
+	games: Array<string>
+});
+
+export default mongoose.model<RegionGameMapping>('RegionGameMapping', regionGameMappingSchema);

src/lib/repositories/RegionGameMappingRepository.ts

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+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;