feat: add deno_rust_wasm_qr_decode

__wasm/deno_rust_wasm_qr_decode/main.js

@@ -0,0 +1,7 @@
+import { instantiate } from "./lib/rs_lib.generated.js";
+
+const { decode_qr } = await instantiate();
+
+const bytes = await Deno.readFile("test_qr_3.png");
+
+console.log(decode_qr(bytes));