Add ignored directives feature status (#77965)

Author: jjonescz

docs/Language Feature Status.md

@@ -21,6 +21,7 @@ efforts behind them.
 | [Partial Events and Constructors](https://github.com/dotnet/csharplang/issues/9058) | [PartialEventsCtors](https://github.com/dotnet/roslyn/tree/features/PartialEventsCtors) | [Merged into 17.14p3](https://github.com/dotnet/roslyn/issues/76859) | [jjonescz](https://github.com/jjonescz) | [cston](https://github.com/cston), [RikkiGibson](https://github.com/RikkiGibson) | [CyrusNajmabadi](https://github.com/CyrusNajmabadi) | [jaredpar](https://github.com/jaredpar) |
 | [Extensions](https://github.com/dotnet/csharplang/issues/8697) | [extensions](https://github.com/dotnet/roslyn/tree/features/extensions) | [Preview merged into 17.14p3](https://github.com/dotnet/roslyn/issues/76130) | [jcouv](https://github.com/jcouv), [AlekseyTs](https://github.com/AlekseyTs) | [jjonescz](https://github.com/jjonescz), TBD | [CyrusNajmabadi](https://github.com/CyrusNajmabadi) | [MadsTorgersen](https://github.com/MadsTorgersen) |
 | [Null-conditional assignment](https://github.com/dotnet/csharplang/issues/6045) | [null-conditional-assignment](https://github.com/dotnet/roslyn/tree/features/null-conditional-assignment) | [Merged into 17.14p3](https://github.com/dotnet/roslyn/issues/75554) | [RikkiGibson](https://github.com/RikkiGibson) | [cston](https://github.com/cston), [jjonescz](https://github.com/jjonescz) | [CyrusNajmabadi](https://github.com/CyrusNajmabadi) | [RikkiGibson](https://github.com/RikkiGibson) |
+| [Ignored directives](https://github.com/dotnet/csharplang/issues/8617) | [PR](https://github.com/dotnet/roslyn/pull/77696) | Merged into 17.14p3 | [jjonescz](https://github.com/jjonescz) | [RikkiGibson](https://github.com/RikkiGibson), [jaredpar](https://github.com/jaredpar) | [CyrusNajmabadi](https://github.com/CyrusNajmabadi) | [jaredpar](https://github.com/jaredpar) |
 
 # Working Set VB