Initial wgpu abstraction

Source/Render/IndexBuffer.rs

@@ -0,0 +1,14 @@
+use serde::{Deserialize, Serialize};
+use std::borrow::Cow;
+
+#[derive(Clone, Debug, Eq, PartialEq, Default, Serialize, Deserialize)]
+pub struct IndexBuffer {
+    pub label: Cow<'static, str>,
+    pub content: Vec<u8>,
+}
+
+impl IndexBuffer {
+    pub fn GetLength(&self) -> u32 {
+        self.content.len() as u32
+    }
+}