Plaid Get categories

Send a request to the `/categories/get` endpoint to get detailed information on categories returned by Plaid. This endpoint does not require authentication. All implementations are recommended to use the newer `personal_finance_category` taxonomy instead of the older `category` taxonomy supported by this endpoint. The [`personal_finance_category taxonomy` CSV file](https://plaid.com/documents/transactions-personal-finance-category-taxonomy.csv) is available for download and is not accessible...