Validate incoming API data with zod (#891)

## Description:

Validate incoming API data with zod.

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

---------

Co-authored-by: Scott Anderson <662325+scottanderson@users.noreply.github.com>

src/core/Schemas.ts

@@ -112,7 +112,7 @@ export enum LogSeverity {
   Fatal = "FATAL",
 }
 
-const GameConfigSchema = z.object({
+export const GameConfigSchema = z.object({
   gameMap: z.nativeEnum(GameMapType),
   difficulty: z.nativeEnum(Difficulty),
   gameType: z.nativeEnum(GameType),

src/core/WorkerSchemas.ts

@@ -0,0 +1,11 @@
+import { z } from "zod";
+import { GameConfigSchema } from "./Schemas";
+
+export const CreateGameInputSchema = GameConfigSchema.or(
+  z
+    .object({})
+    .strict()
+    .transform((val) => undefined),
+);
+
+export const GameInputSchema = GameConfigSchema.partial();