add terraform

This reverts commit c806506a0a8a50feb74265c6b599a13004e43f20.

ansible/roles/test.md

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-infolegale

terraform/terraform-docs.md

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+## Auto-generated documentation for Terraform module
+
+### Installation de terraform-docs
+
+```bash
+cd /tmp/
+wget https://github.com/terraform-docs/terraform-docs/releases/download/v0.16.0/terraform-docs-v0.16.0-linux-amd64.tar.gz
+tar xf terraform-docs-v0.16.0-linux-amd64.tar.gz
+sudo mv terraform-docs /usr/local/bin
+```
+
+## Hook pre-commit
+
+```bash
+cat << EOF > .git/hooks/pre-commit
+#!/bin/sh
+
+# Keep module docs up to date
+target_dir=$(find . -type f -name "*.tf" -not -path "*/.terraform/*" -exec dirname {} \; | sort -u)
+for d in ${target_dir}; do
+  if terraform-docs -c .terraform-docs.yml --output-file README.md $d ; then
+    git add "./$d/README.md"
+  fi
+done
+EOF