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/VisualObject/onResize.md

@@ -0,0 +1,29 @@
+## onResize
+
+### Description
+
+`onResize(self)`
+
+The `onResize` event is a custom event that gets triggered when the parent frame is resized.
+
+### Returns
+
+1. `object` The object in use
+
+### Usage
+
+* Add an onResize event to a button:
+
+```lua
+local basalt = require("basalt")
+
+local main = basalt.createFrame()
+local aButton = main:addButton():setPosition(3,3)
+
+local function onButtonResize(self)
+    local width = main:getWidth()
+    self:setSize(width, 3)
+end
+
+aButton:onResize(onButtonResize)
+```