Print info about custom assets in --diagnostics

src/bin/bat/main.rs

@@ -261,6 +261,10 @@ fn invoke_bugreport(app: &App) {
             "Custom assets metadata",
             custom_assets_metadata,
         ))
+        .info(DirectoryEntries::new(
+            "Custom assets",
+            PROJECT_DIRS.cache_dir(),
+        ))
         .info(CompileTimeInformation::default());
 
     #[cfg(feature = "paging")]