feat: add block description to mobile curriculum (#45370)

* feat: add block description to mobile curriculum

* feat: add superblock names

tools/scripts/build/mobileSchema.js

@@ -0,0 +1,32 @@
+const Joi = require('joi');
+
+const blockSchema = Joi.object({}).keys({
+  desc: Joi.array().min(1),
+  challenges: Joi.object({}).keys({
+    name: Joi.string(),
+    isUpcomingChange: Joi.bool(),
+    usesMultifileEditor: Joi.bool().optional(),
+    hasEditableBoundaries: Joi.bool().optional(),
+    isBeta: Joi.bool().optional(),
+    dashedName: Joi.string(),
+    order: Joi.number(),
+    time: Joi.string().allow(''),
+    template: Joi.string().allow(''),
+    required: Joi.array(),
+    superBlock: Joi.string(),
+    challengeOrder: Joi.array().items(Joi.array().min(1))
+  })
+});
+
+const subSchema = Joi.object({}).keys({
+  blocks: Joi.object({}).pattern(Joi.string(), Joi.object().concat(blockSchema))
+});
+
+const schema = Joi.object({}).pattern(
+  Joi.string(),
+  Joi.object().concat(subSchema)
+);
+
+exports.mobileSchemaValidator = () => {
+  return superblock => schema.validate(superblock);
+};