tweak spacing (#763)

* tweak spacing

tweak spacing so array keys are indented the same.

* docs: add changelog entry

---------

Co-authored-by: Danny van der Sluijs <danny.vandersluijs@icloud.com>

CHANGELOG.md

@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Resolve deprecations of optional parameter ([#752](https://github.com/jsonrainbow/json-schema/pull/752))
 - Fix wrong combined paths when traversing upward, fixes #557 ([#652](https://github.com/jsonrainbow/json-schema/pull/652))
 - Correct PHPStan baseline ([#764](https://github.com/jsonrainbow/json-schema/pull/764))
+- Correct spacing issue in `README.md` ([#763](https://github.com/jsonrainbow/json-schema/pull/763))
 
 ### Changed
 - Bump to minimum PHP 7.2 ([#746](https://github.com/jsonrainbow/json-schema/pull/746))

README.md

@@ -71,7 +71,7 @@ $request = (object)[
 
 $validator->validate(
     $request, (object) [
-    "type"=>"object",
+        "type"=>"object",
         "properties"=>(object)[
             "processRefund"=>(object)[
                 "type"=>"boolean"