Basalt 1.7 Update

- New Objects (Flexbox, Graph, Treeview)
- Pluginsystem to add/remove functionality
- Reworked the entire Object system, instead of one big Object Class we have multiple classes: Object, VisualObject, ChangeableObject
- Instead of one big Frame Class we have multiple Frame Classes: BaseFrame, Frame, MovableFrame, ScrollableFrame, MonitorFrame, Flexbox
- Removed the Animation Object, and added a animation plugin instead
- Removed the Graphic Object and merged it's functionality with the image object
- Updated currently existing objects

docs/objects/Slider/setIndex.md

@@ -1,21 +1,42 @@
 ## setIndex
-Changes the current index to your choice, for example you could create a button which scrolls up to 1 by using :setIndex(1)
 
-#### Parameters: 
+### Description
+
+Changes the current index of the slider to your choice. For example, you could create a button which scrolls up to 1 by using setIndex(1).
+
+### Parameters
+
 1. `number` the index
 
-#### Returns:
+### Returns
+
 1. `object` The object in use
 
-#### Usage:
-* Creates a new slider and changes the index to 1 as soon as the button got clicked
+### Usage
+
+* Creates a new slider and changes the index to 1 as soon as the button got clicked:
+
 ```lua
+local basalt = require("basalt")
+
 local mainFrame = basalt.createFrame()
-local slider = mainFrame:addSlider():setMaxValue(20)
-local button = mainFrame:addButton(function()
-    slider:setIndex(1)
-end)
+local slider = mainFrame:addSlider()
+  :setPosition(3, 3)
+  :setSize(1, 10)
+  :setMaxValue(20)
+
+local button = mainFrame:addButton()
+  :setPosition(3, 14)
+  :setText("Set to 1")
+  :onClick(function()
+      slider:setIndex(1)
+  end)
+
+basalt.autoUpdate()
 ```
+
+In this example, a Slider object is created and added to the mainFrame. The getPosition, setSize, and setMaxValue methods are used to adjust the position, size, and maximum value of the Slider. A button is added to the mainFrame to change the index of the Slider to 1 when clicked.
+
 ```xml
 <slider index="2" />
-```
+```