A few fixes to docs generation and default config (#4570)

* A few fixes to docs generation and default config

* A few more fixes

docs/commands/git_checkout.md

@@ -1,16 +0,0 @@
----
-title: git checkout
-layout: command
-version: 0.59.0
----
-
-
-
-## Signature
-
-```> git checkout (branch)```
-
-## Parameters
-
- -  `branch`: 
-

docs/commands/git_push.md

@@ -1,17 +0,0 @@
----
-title: git push
-layout: command
-version: 0.59.0
----
-
-
-
-## Signature
-
-```> git push (remote) (branch)```
-
-## Parameters
-
- -  `remote`: 
- -  `branch`: 
-

docs/commands/post.md

@@ -8,7 +8,7 @@ Post a body to a URL (HTTP POST operation).
 
 ## Signature
 
-```> post (path) (body) --user --password --content-type --content-length --raw --insecure```
+```> post (path) (body) --user --password --content-type --content-length --headers --raw --insecure```
 
 ## Parameters
 
@@ -18,6 +18,7 @@ Post a body to a URL (HTTP POST operation).
  -  `--password {any}`: the password when authenticating
  -  `--content-type {any}`: the MIME type of content to post
  -  `--content-length {any}`: the length of the content being posted
+ -  `--headers {any}`: custom headers you want to add 
  -  `--raw`: return values as a string instead of a table
  -  `--insecure`: allow insecure server connections when using SSL
 
@@ -33,3 +34,8 @@ Post content to url.com, with username and password
 > post -u myuser -p mypass url.com 'body'
 ```
 
+Post content to url.com, with custom header
+```shell
+> post -H [my-header-key my-header-value] url.com
+```
+