Basalt2 update

- Finished themes
- Added state plugins for persistance
- Finished reactive plugin
- Added debug plugin (80% finished)
- Added benchmark plugin
- Added Tree, Table, List, Dropdown and Menu Elements
- Bugfixes

examples/benchmarks.lua

@@ -0,0 +1,19 @@
+local basalt = require("src")
+local main = basalt.getMainFrame()
+
+local btn = main:addButton()
+    :setText("Test")
+    :setX(40)
+    :setY(5)
+    :onMouseClick(function()
+        main:logContainerBenchmarks("render")
+        --main:stopChildrenBenchmark("render")
+    end)
+
+local prog = main:addProgram()
+    :execute("../rom/programs/shell.lua")
+
+local frame main:addFrame():setX(30):addButton()
+
+main:benchmarkContainer("render")
+basalt.run()