Add command for turning JSON schemas into TypeScript typings

package.json

@@ -12,7 +12,8 @@
     "ava": "npm run transpile && ava --serial --verbose",
     "test": "npm run ava -- src/",
     "test-debug": "npm run test -- --timeout=20m",
-    "transpile": "tsc --build --verbose"
+    "transpile": "npm run generate:schemas && tsc --build --verbose",
+    "generate:schemas": "node json-schemas.mjs"
   },
   "ava": {
     "typescript": {
@@ -78,6 +79,7 @@
     "eslint-plugin-import": "2.29.1",
     "eslint-plugin-no-async-foreach": "^0.1.1",
     "glob": "^11.0.3",
+    "json-schema-to-typescript": "^15.0.4",
     "nock": "^14.0.10",
     "sinon": "^21.0.0",
     "typescript": "^5.9.3"