Clean-up whitespaces in README

Author: Alex Conrad

README.md

@@ -81,12 +81,12 @@ marked with that specific label. It is case insensitive.
 
 * `ignore_paths`: *Optional.* The inverse of `paths`; changes to the specified
   files are ignored.
-  
+
 * `ci_skip`: *Optional.* Filters out PRs that have `[ci skip]` message. Default
    is `false`.
 
 * `skip_ssl_verification`: *Optional.* Skips git ssl verification by exporting
-  `GIT_SSL_NO_VERIFY=true` and applying it to the Github API client. 
+  `GIT_SSL_NO_VERIFY=true` and applying it to the Github API client.
 
 * `git_config`: *Optional*. If specified as (list of pairs `name` and `value`)
   it will configure git global options, setting each name with each value.