Set up CI with Azure Pipelines

[skip ci]

azure-pipelines.yml

@@ -0,0 +1,52 @@
+# https://dev.azure.com/home-assistant
+
+trigger:
+  batch: true
+  branches:
+    include:
+    - dev
+  tags:
+    include:
+    - '*'
+    exclude:
+    - untagged*
+pr:
+- dev
+
+variables:
+  - name: versionHadolint
+    value: 'v1.16.3'
+  - name: versionShellCheck
+    value: 'v0.6.0'
+
+jobs:
+
+- job: 'Hadolint'
+  pool:
+    vmImage: 'ubuntu-16.04'
+  steps:
+  - script: sudo docker pull hadolint/hadolint:$(versionHadolint)
+    displayName: 'Install Hadolint'
+  - script: |
+      sudo docker run --rm -i \
+        -v $(pwd)/.hadolint.yaml:/.hadolint.yaml:ro \
+        hadolint/hadolint:$(versionHadolint) < Dockerfile
+    displayName: 'Run Hadolint'
+
+
+- job: 'ShellCheck'
+  pool:
+    vmImage: 'ubuntu-16.04'
+  steps:
+  - script: sudo docker pull koalaman/shellcheck:$(versionShellCheck)
+    displayName: 'Install ShellCheck'
+  - script: |
+      sudo docker run --rm -i \
+        -v $(pwd):/mnt:ro koalaman/shellcheck:$(versionShellCheck) \
+          scripts/*.sh \
+          buildroot-external/scripts/*.sh \
+          buildroot-external/board/**/*.sh \
+          buildroot-external/rootfs-overlay/usr/sbin/* \
+          buildroot-external/rootfs-overlay/usr/libexec/* \
+          buildroot-external/rootfs-overlay/usr/lib/rauc/*
+    displayName: 'Run ShellCheck'