feat(new-tool): mime type to extension converter

src/tools/index.ts

@@ -1,6 +1,7 @@
 import { LockOpen } from '@vicons/tabler';
 import type { ToolCategory } from './tool';
 
+import { tool as mimeTypes } from './mime-types';
 import { tool as otpCodeGeneratorAndValidator } from './otp-code-generator-and-validator';
 import { tool as base64FileConverter } from './base64-file-converter';
 import { tool as base64StringConverter } from './base64-string-converter';
@@ -65,6 +66,7 @@ export const toolsByCategory: ToolCategory[] = [
       basicAuthGenerator,
       metaTagGenerator,
       otpCodeGeneratorAndValidator,
+      mimeTypes,
     ],
   },
   {