Minimalist wasm based webgl renderer.
Example usage: ```rust use wasm_bindgen::prelude::*;
mod renderer; use renderer::{RenderItem, Renderer};
pub fn start() -> Result<(), JsValue> { let renderer = Renderer::new()?;
let render_item = RenderItem::new(
vec![-0.7, -0.7, 0.0, 0.7, -0.7, 0.0, 0.0, 0.7, 0.0],
"default".into(),
);
let render_items = vec![render_item];
renderer.draw(render_items)?;
Ok(())
} ```