📝 Update Controls placement documentation (#296)

docs/3.0/customization.md

@@ -73,7 +73,7 @@ That will render all `id` fields in the **Index** view as a link to that resourc
 
 <Image src="/assets/img/fields-reference/as-link-to-resource.jpg" width="694" height="166" alt="As link to resource" />
 
-## Resource controls on the left side
+## Resource controls on the left or both sides
 <DemoVideo demo-video="https://youtu.be/MfryUtcXqvU?t=706" />
 
 By default, the resource controls are located on the right side of the record rows, which might be hidden if there are a lot of columns. You might want to move the controls to the left side in that situation using the `resource_controls_placement` option.
@@ -84,9 +84,18 @@ Avo.configure do |config|
 end
 ```
 
-
 <Image src="/assets/img/customization/resource-controls-left.jpg" width="1206" height="920" alt="Resource controls on the left side" />
 
+<VersionReq version="3.13.7" class="mt-2" />
+
+You might want to render the controls on both sides
+
+```ruby{2}
+Avo.configure do |config|
+  config.resource_controls_placement = :both
+end
+```
+
 ## Container width
 
 ```ruby{2-3}

docs/3.0/resources.md

@@ -889,6 +889,25 @@ end
 
 </Option>
 
+<Option name="`self.controls_placement`">
+<VersionReq version="3.13.7" />
+
+By default, Avo renders action controls according to the `controls_placement` configuration, which is set to `right` by default. This value can be customized for each individual resource.
+
+#### Possible values
+
+Either `:left`, `:right` or `:both`
+
+```ruby
+class Avo::Resources::Task < Avo::BaseResource
+  self.controls_placement = :both
+
+  # ...
+end
+```
+
+</Option>
+
 ## Cards
 
 Use the `def cards` method to add some cards to your resource.