refactor: bundle shared so each consumer can require/import without hassle (#64167)

api/package.json

@@ -12,6 +12,7 @@
     "@fastify/swagger": "9.6.1",
     "@fastify/swagger-ui": "5.2.4",
     "@fastify/type-provider-typebox": "6.1.0",
+    "@freecodecamp/shared": "workspace:*",
     "@growthbook/growthbook": "1.6.2",
     "@prisma/client": "6.19.1",
     "@sentry/node": "9.47.1",
@@ -41,6 +42,7 @@
   "description": "The freeCodeCamp.org open-source codebase and curriculum",
   "devDependencies": {
     "@freecodecamp/eslint-config": "workspace:*",
+    "@freecodecamp/shared": "workspace:*",
     "@total-typescript/ts-reset": "0.6.1",
     "@types/jsonwebtoken": "9.0.5",
     "@types/lodash-es": "^4.17.12",