deno bundle using rspack poc
run following commands to test

cargo run --  bundle '/Users/bytedance/github/deno/tests/testdata/bundle/npm_import/index.mjs'
node output.js

current blocker for further integration

• rspack only support mutli_thread of tokio, which conflict with deno
• rspack use nightly version of rust, which conflict with deno's stable rust
• the current rspack_core includes lots of features deno don't need, rspack_core can be split into features and supports includes only parts of it by feature
• the release binary maybe increase (3M+, 103M -> 106M),and since rspack contains lots of builtin plugins now, which will be improved when support include plugins by features