(feat): create aquilacms provider

(style): replace all bigcommerce name by aquilacms

framework/aquilacms/customer/get-customer-id.ts

@@ -0,0 +1,34 @@
+import { GetCustomerIdQuery } from '../schema'
+import { AquilacmsConfig, getConfig } from '../api'
+
+export const getCustomerIdQuery = /* GraphQL */ `
+  query getCustomerId {
+    customer {
+      entityId
+    }
+  }
+`
+
+async function getCustomerId({
+  customerToken,
+  config,
+}: {
+  customerToken: string
+  config?: AquilacmsConfig
+}): Promise<number | undefined> {
+  config = getConfig(config)
+
+  const { data } = await config.fetch<GetCustomerIdQuery>(
+    getCustomerIdQuery,
+    undefined,
+    {
+      headers: {
+        cookie: `${config.customerCookie}=${customerToken}`,
+      },
+    }
+  )
+
+  return data?.customer?.entityId
+}
+
+export default getCustomerId