merge en-US metadata with translated metadata (mdn#3955)

Fixes mdn#3953

Adds the WebOTP API (mdn#3964)

* Adds the WebOTP API

* Adding the inheritance data

* fixing the WebOTP API

remove waitlist anchor on plus page (mdn#3951)

Linking to a local image isn't working as expected. (mdn#3887)

* Linking to a local image isn't working as expected.

Fixes mdn#2561

* now with test

* fix developing test

* document foot-gun

Fix how BCD renderer determines the need for notes (mdn#3864)

* Fix how BCD renderer determines the need for notes

* feedback

* Single complex entries exist too

* Align order of icons and notes

* Use footnote class consistently

"Change your language" appears in print (mdn#3942)

Fixes mdn#3941

React-Modal (mdn#3938)

* add react-modal for better accessibility

* use react-modal's body class for open modal styes

* fixed modal styling

* remove focus outline of modal

Co-authored-by: Daryl Alexsy <[email protected]>

GA CSP values (mdn#3922)

* GA CSP values

* group more CSP values

* prettier

Add UI Events KeyboardEvent key/code Values (mdn#3927)

fix: add bottom margin to index containers (mdn#3912)

For containers with the class `index` add a bottom margin to improve spacing between content sections.

fix mdn#3911