Updating documentation

commands.md

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+# Commands
+
+## Playbook
+
+### tags
+
+`ansible-playbook -b test.yml --vault-password-file password --tags rust`
+`ansible-playbook -b test.yml --vault-password-file password --tags "setup,terraform"`
+
+### run on Ubuntu in a venv
+
+`ansible-playbook -b provision.yml --vault-pass-file=password -e ansible_python_interpreter=/usr/bin/python`
+
+## Galaxy
+
+### install requirements
+
+`ansible-galaxy install -r requirements.yml`
+
+## Vault
+
+### Encrypt
+
+`ansible-vault encrypt_string 'email-smtp.eu-west-1.amazonaws.com' --name 'vault_smtp_hostname' --vault-pass-file ./password`