Add basic terraform instructions to readme.md

Author: russdaygh

README.md

@@ -1 +1,22 @@
-# PocketDDD
+# PocketDDD
+
+# Running terraform locally
+Ensure both terraform and the Azure CLI are installed
+```
+brew install terraform
+brew install azure-cli
+```
+
+Login to Azure
+```
+az login
+```
+
+From the `terraform` directory run init, plan, then apply if happy with the changes.
+```
+cd ./terraform
+
+terraform init
+terraform plan -var-file ../tfvars/dev.tfvars
+terraform apply -var-file ../tfvars/dev.tfvars
+```