Update proposals.md

Author: FremyCompany

css-nesting-1/proposals.md

@@ -142,6 +142,7 @@ If it were up to you, what syntax would you prefer for CSS Nesting?
 | bradkemper  | 2.iii      | 2.ii       | 3          |
 | mirisuzanne | 3          | 2.iii      | 4          |
 | romainmenke | 1          | 3          | 4          |
+| FremyCompany | 4.iii     | 1          | 3          |
 
 ***Note:** It is not required to be a WG member to add your name to this list,
 only to have followed the [discussion](https://github.com/w3c/csswg-drafts/issues/7834)