docs: add lib version

Author: nDriaDev

docs/.vitepress/config.ts

@@ -1,16 +1,32 @@
-import { defineConfig } from 'vitepress'
-import { fileURLToPath } from 'url'
-import { resolve, dirname } from 'path'
-import react from '@vitejs/plugin-react'
-import { docsPlugin, buildSidebarFromDocs, ROOT } from '../../scripts/docs-plugin.js'
-
-const __filename = fileURLToPath(import.meta.url)
-const __dirname  = dirname(__filename)
+import { DefaultTheme, defineConfig } from 'vitepress';
+import { resolve } from 'path';
+import react from '@vitejs/plugin-react';
+import { docsPlugin, buildSidebarFromDocs, ROOT } from '../../scripts/docs-plugin.js';
+import packageJson from '../../package.json';
 
 // Sidebar is built dynamically from the .md files generated by docsPlugin()
 // At first run docs/ may be empty — the plugin fills it during buildStart
 const sidebar = buildSidebarFromDocs()
 
+const nav: DefaultTheme.NavItem[] = [
+	{ text: 'Home', link: '/' },
+	{ text: 'Hooks', link: '/hooks/state/createPubSubStore' },
+	{ text: 'Components', link: '/components/ErrorBoundary' },
+	{ text: 'Utils', link: '/utils/alphanumericCompare' },
+	{ text: 'Types', link: '/types/' },
+	{ text: 'npm', link: 'https://www.npmjs.com/package/@ndriadev/react-tools' }
+];
+
+function buildNav(): DefaultTheme.NavItem[] {
+	nav.push({
+		text: packageJson.version,
+		items: [
+			{ text: 'Changelog', link: 'https://github.com/nDriaDev/react-tools/blob/main/CHANGELOG.md' }
+		]
+	});
+	return nav;
+}
+
 export default defineConfig({
 	title:       'React Tools',
 	description: 'A collection of Hooks, Components, Utilities and Types for React',
@@ -38,14 +54,7 @@ export default defineConfig({
 	themeConfig: {
 		logo: '/react-red.webp',
 
-		nav: [
-			{ text: 'Home',       link: '/' },
-			{ text: 'Hooks',      link: '/hooks/state/createPubSubStore' },
-			{ text: 'Components', link: '/components/ErrorBoundary' },
-			{ text: 'Utils',      link: '/utils/alphanumericCompare' },
-			{ text: 'Types',      link: '/types/' },
-			{ text: 'npm',        link: 'https://www.npmjs.com/package/@ndriadev/react-tools' },
-		],
+		nav: buildNav(),
 
 		sidebar,