104th Meeting of TC39, notes (#349)

* DRAFT: 104th Meeting of TC39, notes

* Add conclusion to decimal presentation

* Update RKG notes

* Add conclusions and key points to JSSugar discussion

* Update AsyncContext notes

* Add summary to Secretary's Report, thank you Samina

---------

Co-authored-by: Jesse Alama <jessealama@users.noreply.github.com>
Co-authored-by: Ross Kirsling <rkirsling@gmail.com>
Co-authored-by: Shu-yu Guo <syg@chromium.org>
Co-authored-by: Andreu Botella <abotella@igalia.com>