Add Tiers and Game Prize

migrations/000051_create_games_table.up.sql

@@ -0,0 +1,17 @@
+CREATE TABLE games (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    name VARCHAR(255) NOT NULL,
+    type VARCHAR(50) NOT NULL,
+    is_active BOOLEAN DEFAULT TRUE,
+    metadata JSONB DEFAULT '{}',
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    
+    CONSTRAINT chk_games_type_valid
+        CHECK (type IN ('SPIN', 'RAFFLE', 'MINIGAME'))
+);
+
+-- Create indexes
+CREATE INDEX idx_games_type ON games(type);
+CREATE INDEX idx_games_is_active ON games(is_active);
+CREATE INDEX idx_games_created_at ON games(created_at);