feat: minor improvements and refactoring in Text Replacer Tool

- Changed the replaceText method to take all options as arguments.
- Removed compute from SimpleRadio component.
- Moved InitialValuesType type and initialValues object to a separate file to avoid Fast Refresh error.
- Used ToolContent and added usage examples.

src/pages/tools/string/text-replacer/meta.ts

@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+
+export const tool = defineTool('string', {
+  name: 'Text Replacer',
+  path: 'replacer',
+  shortDescription: 'Quickly replace text in your content',
+  icon: 'material-symbols-light:find-replace',
+  description:
+    'Easily replace specific text in your content with this simple, browser-based tool. Just input your text, set the text you want to replace and the replacement value, and instantly get the updated version.',
+  keywords: ['text', 'replace'],
+  component: lazy(() => import('./index'))
+});