Actions menu api (#1862)

* wip

* wip

* random action on click

* removing actions

* register single key per command use

* change removeActionsMenu action name

* fixed actions menu not hiding content properly:

* actions menu fix

* added mock Block Player action

* ActionsMenu buttons styling

* added displaying priority for menu actions

* moved utils actionMenu features to the UI

* import as a type:

* more object oriented style for API

* removed registered actions from RemotePlayer instance

* readme update

* Fixing typos / Improving wording

* added instructions on AlterActionsMenu test map

Co-authored-by: Hanusiak Piotr <piotr@ltmp.co>
Co-authored-by: David Négrier <d.negrier@thecodingmachine.com>

maps/tests/index.html

@@ -259,6 +259,14 @@
                         <a href="#" class="testLink" data-testmap="CameraApi/camera_api_test.json" target="_blank">Test camera API</a>
                     </td>
                 </tr>
+                <tr>
+                    <td>
+                        <input type="radio" name="test-alter-action-menu"> Success <input type="radio" name="test-alter-action-menu"> Failure <input type="radio" name="test-alter-action-menu" checked> Pending
+                    </td>
+                    <td>
+                        <a href="#" class="testLink" data-testmap="AlterActionMenuApi/map.json" target="_blank">Test Alter ActionMenu API</a>
+                    </td>
+                </tr>
                 <tr>
                     <td>
                         <input type="radio" name="test-set-tiles"> Success <input type="radio" name="test-set-tiles"> Failure <input type="radio" name="test-set-tiles" checked> Pending