Merge pull request #35 from stackhpc/docu-update

Update README.rst

Author: markgoddard

README.rst

@@ -20,7 +20,7 @@ Install Terraform:
    wget -qO - terraform.gpg https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o /usr/share/keyrings/terraform-archive-keyring.gpg
    sudo echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/terraform-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/terraform.list
    sudo apt update
-   sudo apt install terraform
+   sudo apt install git terraform
 
 Clone and initialise the Kayobe config: