vscode-extensions.grapecity.gc-excelviewer: init at 4.2.55

pkgs/applications/editors/vscode/extensions/default.nix

@@ -1041,6 +1041,22 @@ let
         };
       };
 
+      grapecity.gc-excelviewer = buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          name = "gc-excelviewer";
+          publisher = "grapecity";
+          version = "4.2.55";
+          sha256 = "sha256-yHl6ZTGIKOEsqmyeYtgDUhNAN9uRpoFApA7FKkPWW3E=";
+        };
+        meta = with lib; {
+          description = "Edit Excel spreadsheets and CSV files in Visual Studio Code and VS Code for the Web";
+          downloadPage = "https://marketplace.visualstudio.com/items?itemName=grapecity.gc-excelviewer";
+          homepage = "https://github.com/jjuback/gc-excelviewer";
+          license = licenses.mit;
+          maintainers = with maintainers; [ kamadorueda ];
+        };
+      };
+
       humao.rest-client = buildVscodeMarketplaceExtension {
         mktplcRef = {
           publisher = "humao";