Add documentation CI job

To ensure that 'make docs' functionality does not break.

.github/workflows/docs.yaml

@@ -0,0 +1,21 @@
+# Copyright 2024 Hewlett Packard Enterprise Development LP
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+jobs:
+  docs:
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '1.22.3' 
+      - uses: hashicorp/setup-terraform@v2
+        with:
+          terraform_version: 1.9.5
+      - run: go install github.com/hashicorp/terraform-plugin-docs/cmd/[email protected]
+      - run: make docs 

Makefile

@@ -26,7 +26,7 @@ install-experimental:
 	go install -tags experimental  ./...
 
 docs:
-	echo -e ${PROVIDER_TF} > __docs.tf; \
+	printf "${PROVIDER_TF}" > __docs.tf; \
 	tempfile=$$(mktemp); \
 	terraform providers schema -json | \
 	sed '[email protected]/hewlettpackard/hpegl-pcbe-terraform-resources@hpegl@g' > $$tempfile; \