[oden] Start messing with the script

src/script.rs

@@ -0,0 +1,22 @@
+use oden_js as js;
+
+pub struct ScriptContext {
+    _context: js::Context,
+}
+
+impl ScriptContext {
+    pub fn new() -> Self {
+        let runtime = js::Runtime::new();
+
+        let mut context = js::Context::new(runtime);
+        context.add_intrinsic_bigfloat();
+        context.add_intrinsic_bigdecimal();
+        context.add_intrinsic_operators();
+
+        ScriptContext { _context: context }
+    }
+
+    pub fn update(&self) {}
+
+    pub fn render(&self) {}
+}