Discord login (#611)

## Description:

## Please complete the following:

- [ ] I have added screenshots for all UI updates
- [ ] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [ ] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

## Please put your Discord username so you can be contacted if a bug or
regression is found:

<DISCORD USERNAME>

---------

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

src/client/ApiSchemas.ts

@@ -0,0 +1,13 @@
+import { z } from "zod";
+
+export const UserMeResponseSchema = z.object({
+  user: z.object({
+    id: z.string(),
+    avatar: z.string(),
+    username: z.string(),
+    global_name: z.string(),
+    discriminator: z.string(),
+    locale: z.string(),
+  }),
+});
+export type UserMeResponse = z.infer<typeof UserMeResponseSchema>;