Change notes to new styleguide using blockquotes

doc/ci/yaml/README.md

@@ -116,7 +116,8 @@ Alias for [stages](#stages).
 
 ### variables
 
-_**Note:** Introduced in GitLab Runner v0.5.0._
+>**Note:**
+Introduced in GitLab Runner v0.5.0.
 
 GitLab CI allows you to add to `.gitlab-ci.yml` variables that are set in build
 environment. The variables are stored in the git repository and are meant to
@@ -153,7 +154,8 @@ cache:
 
 #### cache:key
 
-_**Note:** Introduced in GitLab Runner v1.0.0._
+>**Note:**
+Introduced in GitLab Runner v1.0.0.
 
 The `key` directive allows you to define the affinity of caching
 between jobs, allowing to have a single cache for all jobs,
@@ -394,12 +396,12 @@ The above script will:
 
 ### artifacts
 
-_**Note:** Introduced in GitLab Runner v0.7.0 for non-Windows platforms._
-
-_**Note:** Limited Windows support was added in GitLab Runner v.1.0.0. 
-Currently not all executors are supported._ 
-
-_**Note:** Build artifacts are only collected for successful builds._
+>**Notes:**
+>
+> - Introduced in GitLab Runner v0.7.0 for non-Windows platforms.
+> - Limited Windows support was added in GitLab Runner v.1.0.0.
+> - Currently not all executors are supported.
+> - Build artifacts are only collected for successful builds.
 
 `artifacts` is used to specify list of files and directories which should be
 attached to build after success. Below are some examples.
@@ -456,7 +458,8 @@ be available for download in the GitLab UI.
 
 #### artifacts:name
 
-_**Note:** Introduced in GitLab 8.6 and GitLab Runner v1.1.0._
+>**Note:**
+Introduced in GitLab 8.6 and GitLab Runner v1.1.0.
 
 The `name` directive allows you to define the name of created artifacts archive.
 
@@ -517,7 +520,8 @@ job:
 
 ### dependencies
 
-_**Note:** Introduced in GitLab 8.6 and GitLab Runner v1.1.1._
+>**Note:**
+Introduced in GitLab 8.6 and GitLab Runner v1.1.1.
 
 This feature should be used with `artifacts` and allows to define artifacts passing between different builds.
 
@@ -571,7 +575,8 @@ However, only the `build:osx` and `build:linux` exports artifacts so only these
 
 ### cache
 
-_**Note:** Introduced in GitLab Runner v0.7.0._
+>**Note:**
+Introduced in GitLab Runner v0.7.0.
 
 `cache` is used to specify list of files and directories which should be cached
 between builds. Below are some examples: