Formatting changes to make 1.12.x ref docs buildable in Jekyll

Signed-off-by: Misty Stanley-Jones <misty@docker.com>

docs/reference/commandline/cli.md

@@ -1,15 +1,11 @@
-<!--[metadata]>
-+++
-title = "Use the Docker command line"
-description = "Docker's CLI command description and usage"
-keywords = ["Docker, Docker documentation, CLI,  command line"]
-[menu.main]
-parent = "smn_cli"
-weight = -2
-+++
-<![end-metadata]-->
-
-# Use the Docker command line
+---
+redirect_from:
+  - /reference/commandline/cli/
+description: Docker's CLI command description and usage
+keywords:
+- Docker, Docker documentation, CLI,  command line
+title: Use the Docker Engine command-line
+---
 
 To list available commands, either run `docker` with no parameters
 or execute `docker help`:
@@ -122,7 +118,7 @@ directives, see the
 Once attached to a container, users detach from it and leave it running using
 the using `CTRL-p CTRL-q` key sequence. This detach key sequence is customizable
 using the `detachKeys` property. Specify a `<sequence>` value for the
-property. The format of the `<sequence>` is a comma-separated list of either 
+property. The format of the `<sequence>` is a comma-separated list of either
 a letter [a-Z], or the `ctrl-` combined with any of the following:
 
 * `a-z` (a single lowercase alpha character )
@@ -145,6 +141,7 @@ directives, see the [**Formatting** section in the `docker images` documentation
 
 Following is a sample `config.json` file:
 
+    {% raw %}
     {
       "HttpHeaders": {
         "MyHeader": "MyValue"
@@ -153,6 +150,7 @@ Following is a sample `config.json` file:
       "imagesFormat": "table {{.ID}}\\t{{.Repository}}\\t{{.Tag}}\\t{{.CreatedAt}}",
       "detachKeys": "ctrl-e,e"
     }
+    {% endraw %}
 
 ### Notary