feat: improve reconnect, add ESLint configuration for common and socket

packages/common/src/validators/auth.ts

@@ -0,0 +1,8 @@
+import z from "zod"
+
+export const usernameValidator = z
+  .string()
+  .min(4, "Username cannot be less than 4 characters")
+  .max(20, "Username cannot exceed 20 characters")
+
+export const inviteCodeValidator = z.string().length(6, "Invalid invite code")