Update README.md

README.md

 # Terraform Openstack
 
 Make a new directory for Terraform:
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 `$mkdir terraform-first-instance`
 
 Install Terraform:
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 `$brew install terraform`
 
 Unzip the file and make a path to your new directory:
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 `$export TERRAFORM_DIR="$(pwd)/terraform-first-instance"`
 
 `$cp $HOME/Downloads/terraform_0.6.16_linux_amd64/terraform $TERRAFORM_DIR`
 
 Clone this repo into your terraform-first-instance directory:
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 `$git clone https://gitlab.rc.uab.edu/rrand11/terraform-openstack.git`
 
 `$cd terraform-openstack`