Create initial reflection system

Source/Examples/mod.rs

@@ -0,0 +1,32 @@
+use crate::*;
+
+#[derive(Reflect)]
+pub struct Foo {
+    #[property(visible, editable, category = "Default")]
+    pub a: u32,
+
+    #[property(visible, editable, category = "Default")]
+    pub b: Bar,
+
+    #[property(visible, editable, category = "Default")]
+    pub c: Vec<u128>,
+
+    #[property(visible, editable, category = "Default")]
+    pub d: Vec<Bar>,
+}
+
+impl Foo {
+    #[function(callable, category = "Default")]
+    pub fn Func(&mut self) {}
+}
+
+#[derive(Reflect)]
+pub struct Bar {
+    #[property(visible, editable, category = "Default")]
+    pub value: f32,
+}
+
+impl Bar {
+    #[function(callable, category = "Default")]
+    pub fn Func(&mut self) {}
+}