[interop][SwiftToCxx] docs: update status page to reflect class support

Author: hyp

docs/CppInteroperability/CppInteroperabilityStatus.md

@@ -154,17 +154,25 @@ This status table describes which of the following Swift language features have
 | Copy and destroy semantics     | Yes                                                      |
 | Initializers                   | Partially, as static `init` methods. No failable support |
 
+**Class types**
+
+| **Swift Language Feature**     | **Implemented Experimental Support For Using It In C++** |
+|--------------------------------|----------------------------------------------------------|
+| Class reference values         | Yes                                                      |
+| ARC semantics                  | Yes (C++ copy constructor,assignment operator, destructor perform ARC operations)  |
+| Initializers                   | No |
+
 **Methods**
 
 | **Swift Language Feature**     | **Implemented Experimental Support For Using It In C++** |
 |--------------------------------|----------------------------------------------------------|
-| Instance methods               | Yes, for structs only                                    |
+| Instance methods               | Yes, for structs and classes only                                    |
 | Static methods                 | No                                                       |
 
 **Properties**
 
 | **Swift Language Feature**     | **Implemented Experimental Support For Using It In C++** |
 |--------------------------------|----------------------------------------------------------|
-| Getter accessors               | Yes, via `get<name>`. Boolean properties that start with `is` or `has` are remapped directly to a getter method using their original name. For structs only                   |
-| Setter accessors               | Yes, via `set<name>`. For structs only                   |
+| Getter accessors               | Yes, via `get<name>`. Boolean properties that start with `is` or `has` are remapped directly to a getter method using their original name. For structs and classes only                   |
+| Setter accessors               | Yes, via `set<name>`. For structs and classes only                   |
 | Mutation accessors             | No                                                       |