feat: i18n for website

pages/i18n/locales/en-US/common.ts

@@ -0,0 +1,40 @@
+export default {
+	header: {
+		logo_alt: 'page-agent home',
+		slogan: 'GUI Agent in your webpage',
+		nav_docs: 'Docs',
+		nav_source: 'GitHub',
+		mobile_menu: 'Open mobile menu',
+	},
+	footer: {
+		copyright: '© 2025 page-agent. All rights reserved.',
+		github_label: 'Visit GitHub repository',
+	},
+	beta_notice: {
+		title: 'Beta Stage',
+		content:
+			'Current features are incomplete and the API may change at any time. Please do not use in production environments before the official release.',
+	},
+	language: {
+		zh: '中文',
+		en: 'English',
+		switch_label: 'Switch language',
+	},
+	nav: {
+		introduction: 'Introduction',
+		features: 'Features',
+		integration: 'Integration',
+		overview: 'Overview',
+		quick_start: 'Quick Start',
+		limitations: 'Limitations',
+		model_integration: 'Model Integration',
+		custom_tools: 'Custom Tools',
+		knowledge_injection: 'Knowledge Injection',
+		security_permissions: 'Security & Permissions',
+		data_masking: 'Data Masking',
+		cdn_setup: 'CDN Setup',
+		configuration: 'Configuration',
+		best_practices: 'Best Practices',
+		third_party_agent: 'Third-party Agent',
+	},
+}