Merge pull request #1 from Gregoirevda/dependabot/npm_and_yarn/src/web/lodash-4.17.15

Bump lodash from 4.17.11 to 4.17.15 in /src/web

Update README.md

Add README

delet cache file

Return Virtual tree to keep reference to closures

passing boxed closure

rm .swm

Add doc

WIP

not keeping the closure in state, only cb

Before refactoring: ref props -> props by value

create closure on event, to hold a reference to it, instead of holding a ref to the callback. Delete Node and go back to web_sys::Node

Event handler in Rust, but need to keep a ref of the closure

Before adding reference to callback