Update README.md

README.md

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