Format yml files

Signed-off-by: Victor Porof <victor.porof@gmail.com>

.travis.yml

@@ -10,9 +10,9 @@ os:
 
 rust:
   - 1.37.0
-- stable
-- beta
-- nightly
+  - stable
+  - beta
+  - nightly
 
 script:
   - cargo build --verbose

azure-pipelines-template.yml

@@ -1,5 +1,5 @@
 jobs:
-- job: ${{ parameters.name }}
+  - job: ${{ parameters.name }}
     pool:
       vmImage: ${{ parameters.vmImage }}
     strategy:

azure-pipelines.yml

@@ -1,15 +1,15 @@
 jobs:
-- template: azure-pipelines-template.yml
+  - template: azure-pipelines-template.yml
     parameters:
       name: macOS
       vmImage: macOS-10.13
 
-- template: azure-pipelines-template.yml
+  - template: azure-pipelines-template.yml
     parameters:
       name: Linux
       vmImage: ubuntu-16.04
 
-- template: azure-pipelines-template.yml
+  - template: azure-pipelines-template.yml
     parameters:
       name: Windows
       vmImage: vs2017-win2016