Add Accessor & IndexSignature to inherited kinds

Resolves #1742

CHANGELOG.md

@@ -5,6 +5,7 @@
 -   Fixed visible gap after footer in dark mode if `hideGenerator` is set, #1749.
 -   Fixed `@category` tag incorrectly appearing on function types if used on a type alias, #1745.
 -   Fixed incorrect JS to apply themes on page load, #1709 (again).
+-   Accessors and index signatures are now properly marked as inherited on declaration creation, #1742.
 
 ### Thanks!
 

src/lib/models/reflections/abstract.ts

@@ -98,6 +98,8 @@ export namespace ReflectionKind {
 
     /** @internal */
     export const Inheritable =
+        ReflectionKind.Accessor |
+        ReflectionKind.IndexSignature |
         ReflectionKind.Property |
         ReflectionKind.Method |
         ReflectionKind.Constructor;