feat(resume): ✨ implement resume locking feature

libs/dto/src/resume/resume.ts

@@ -10,6 +10,7 @@ export const resumeSchema = z.object({
   slug: z.string(),
   data: resumeDataSchema.default(defaultResumeData),
   visibility: z.enum(["private", "public"]).default("private"),
+  locked: z.boolean().default(false),
   userId: idSchema,
   user: userSchema.optional(),
   createdAt: z.date().or(z.dateString()),