message: README: Use generic variable strings for Google Cloud setup
diff: @@ -134,20 +134,13 @@ necessary:
  kubectl config use-context minikube
  ```
  - Hosted service:staging
  + Hosted on Google Cloud
  + - Replace the <CLUSTER> and <PROJECT> strings with values from your infrastructure
  ```sh
  # Configure kubernetes CLI to connect to the remote kubernetes cluster
  - gcloud config set project the-graph-staging;
  - gcloud container clusters get-credentials hosted-service --zone us-central1-a;
  - kubectl config use-context gke_the-graph-staging_us-central1-a_hosted-service;
  - ```
  -
  - Hosted service:production
  - ```sh
  - # Configure kubernetes CLI to connect to the remote kubernetes cluster
  - gcloud config set project the-graph-production;
  - gcloud container clusters get-credentials hosted-service --zone us-central1-a;
  - kubectl config use-context gke_the-graph-production_us-central1-a_hosted-service;
  + gcloud config set project <PROJECT>;
  + gcloud container clusters get-credentials <CLUSTER> --zone us-central1-a;
  + kubectl config use-context gke_<PROJECT>_us-central1-a_<CLUSTER>;
  ```
  2. Indexer service:
  