get JS typegen working for workspace

Author: adampetro

package.json

@@ -5,9 +5,18 @@
   "devDependencies": {
     "@iarna/toml": "^2.2.5",
     "fast-glob": "^3.2.11",
-    "liquidjs": "^9.37.0"
+    "liquidjs": "^9.37.0",
+    "@graphql-codegen/cli": "^3.2.2",
+    "@graphql-codegen/typescript": "^3.0.2",
+    "@graphql-codegen/typescript-operations": "^3.0.2",
+    "graphql": "^16.6.0"
   },
   "scripts": {
-    "expand-liquid": "node ./util/expand-liquid.js"
-  }
-}
+    "expand-liquid": "node ./util/expand-liquid.js",
+    "typegen": "yarn workspaces run graphql-code-generator --config package.json"
+  },
+  "private": true,
+  "workspaces": [
+    "*/javascript/**"
+  ]
+}