feat: add document.get_elements_by_tag_name

add document.title and document.set_title

Add setInterval and clearInterval bindings

feat: add origin and pathname for browser

feat(child_process): add `spawn`

Expanded support for the Console API

They were not actually testing, just running the code.

Can't keep this in the tests, as it (successfully) clears the test results

Call preventDefault & stopPropagation in respective FFI

Allow access to document.hidden and document.visibilityState

We provide functions to return the values of these read only properties
to allow users to query and act on them.

Adds document.ready_state

Add document.get_element_by_id, element.set_text_content, element.get_checked

Add screen and scroll property on window

feat: add key_code