Addition of the Show JavaScript tool (#4877)

# Description of Changes

- Added the show javascript tool.

---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

frontend/src/core/data/useTranslatedToolRegistry.tsx

@@ -121,6 +121,7 @@ import RemoveBlanksSettings from "@app/components/tools/removeBlanks/RemoveBlank
 import AddPageNumbersAutomationSettings from "@app/components/tools/addPageNumbers/AddPageNumbersAutomationSettings";
 import OverlayPdfsSettings from "@app/components/tools/overlayPdfs/OverlayPdfsSettings";
 import ValidateSignature from "@app/tools/ValidateSignature";
+import ShowJS from "@app/tools/ShowJS";
 import Automate from "@app/tools/Automate";
 import Compare from "@app/tools/Compare";
 import { CONVERT_SUPPORTED_FORMATS } from "@app/constants/convertSupportedFornats";
@@ -714,10 +715,12 @@ export function useTranslatedToolCatalog(): TranslatedToolCatalog {
       showJS: {
         icon: <LocalIcon icon="javascript-rounded" width="1.5rem" height="1.5rem" />,
         name: t("home.showJS.title", "Show JavaScript"),
-        component: null,
+        component: ShowJS,
         description: t("home.showJS.desc", "Extract and display JavaScript code from PDF documents"),
         categoryId: ToolCategoryId.ADVANCED_TOOLS,
         subcategoryId: SubcategoryId.DEVELOPER_TOOLS,
+        maxFiles: 1,
+        endpoints: ["show-javascript"],
         synonyms: getSynonyms(t, "showJS"),
         supportsAutomate: false,
         automationSettings: null