Add job on master that publishes the website

ci/azure-master.yml

@@ -0,0 +1,24 @@
+variables:
+  - group: secrets
+resources:
+  repositories:
+    - repository: rustinfra
+      type: github
+      name: rust-lang/simpleinfra
+      endpoint: gnzlbg
+trigger: ["master"]
+pr: ["master"]
+
+jobs:
+  - job: StyleAndDocs
+    pool:
+      vmImage: ubuntu-16.04
+    steps:
+      - template: azure-install-rust.yml
+      - script: sh ci/style.sh
+        displayName: Check style
+      - script: LIBC_CI=1 sh ci/dox.sh
+        displayName: Generate documentation
+      - template: azure-configs/static-websites.yml@rustinfra
+        parameters:
+          deploy_dir: target/doc