note what the RNG classes are for

src/services/rngService.ts

@@ -70,6 +70,7 @@ export const getRandomWeightedRewardUc = <T extends { Rarity: TRarity }>(
     return getRandomReward(resultPool);
 };
 
+// Seeded RNG for internal usage. Based on recommendations in the ISO C standards.
 export class CRng {
     state: number;
 
@@ -93,6 +94,7 @@ export class CRng {
     }
 }
 
+// Seeded RNG for cases where we need identical results to the game client. Based on work by Donald Knuth.
 export class SRng {
     state: bigint;