Add Text Length Checker tool with comprehensive text analysis features

- Add new TextLengthTool.js with real-time text statistics
- Features: character/word/line/sentence/paragraph counting, reading time estimation
- Add Text Length Checker to navigation (ToolSidebar, Layout, App routing)
- Add Text Length Checker card to homepage
- Fix button styling with flex alignment for better UX
- Route: /text-length with Type icon from lucide-react

src/pages/Home.js

@@ -1,5 +1,5 @@
 import React, { useState } from 'react';
-import { Search, Code, Link2, FileText, Hash, RefreshCw, GitCompare, Database } from 'lucide-react';
+import { Search, Code, Link2, FileText, Hash, RefreshCw, GitCompare, Database, Type } from 'lucide-react';
 import ToolCard from '../components/ToolCard';
 
 const Home = () => {
@@ -54,6 +54,13 @@ const Home = () => {
       description: 'Compare two texts and highlight differences line by line',
       path: '/diff',
       tags: ['Diff', 'Compare', 'Text']
+    },
+    {
+      icon: Type,
+      title: 'Text Length Checker',
+      description: 'Analyze text length, word count, and other text statistics',
+      path: '/text-length',
+      tags: ['Text', 'Length', 'Statistics']
     }
   ];