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/Scrollbar/setSymbol.md

@@ -1,18 +1,35 @@
 ## setSymbol
-Changes the scrollbar symbol, default is " "
 
-#### Parameters: 
-1. `string` symbol
+### Description
+
+Changes the scrollbar symbol. The default symbol is " " (space).
+
+### Parameters
+
+1. `string` The symbol you want to set for the scrollbar
+
+### Returns
 
-#### Returns:
 1. `object` The object in use
 
-#### Usage:
-* Creates a new scrollbar and changes the symbol to X
+### Usage
+
+* Create a new scrollbar and change the symbol to X:
+
 ```lua
-local main = basalt.createFrame()
-local scrollbar = main:addScrollbar():setSymbol("X")
+local basalt = require("basalt")
+
+local mainFrame = basalt.createFrame()
+local scrollbar = mainFrame:addScrollbar()
+  :setPosition(3, 3)
+  :setSize(1, 10)
+  :setSymbol("X")
+
+basalt.autoUpdate()
 ```
+
+In this example, a Scrollbar object is created and added to the mainFrame. The setPosition and setSize methods are used to adjust the position and size of the Scrollbar. The setSymbol method is used to set the symbol of the Scrollbar to "X".
+
 ```xml
 <scrollbar symbol="X" />
-```
+```