EN-566: Add AZDO specific container (fix)

Author: lukiffer

ci/azure/Dockerfile

@@ -0,0 +1,5 @@
+FROM quantumsec/docker-pipeline-checkov:latest
+
+# Bash is required by Azure DevOps
+# See: https://docs.microsoft.com/en-us/azure/devops/pipelines/process/container-phases?view=azure-devops#requirements
+RUN apk add --update bash

ci/azure/README.md

@@ -0,0 +1,13 @@
+# Using with Azure DevOps
+
+To use this pipeline job with Azure DevOps, add a `job` to your existing pipeline:
+
+```yaml
+jobs:
+  - job: Checkov
+    displayName: Run Checkov Validation
+    container:
+      image: quantumsec/docker-pipeline-checkov
+    steps:
+      - script: npx @quantum-sec/ci-analysis-collector checkov --soft-fail
+```