B2B-29: Create register-company form

lib/validations/companySchema.ts

@@ -0,0 +1,8 @@
+import * as yup from "yup";
+
+export const companySchema = yup.object({
+  companyName: yup.string().required("Company name is required"),
+  contactPerson: yup.string().required("Contact person is required"),
+  email: yup.string().email("Invalid email").required("Email is required"),
+  phone: yup.string().optional(),
+});