feat: add and optimize multilingual text resources

- add new language packs for multiple pages and components including category, cart, order, member center, distribution, etc.
- add Chinese and English translations for new features and UI text
- fix navigation service error message to use multilingual text
- update component templates to use dynamic language translation instead of hardcoded text
- adjust code indentation and formatting for consistency

lang/en-us/components-diy/diy-seckill.js

@@ -0,0 +1,19 @@
+export const lang = {
+	// Countdown text: Starts in
+	countdownStart: 'Starts in',
+
+	// Countdown text: Ends in
+	countdownEnd: 'Ends in',
+
+	// Progress text: X% sold
+	soldPercent: '{percent}% sold',
+
+	// Original price label: Original:
+	originalPrice: 'Original: ',
+
+	// Button text: Coming soon
+	comingSoon: 'Coming soon',
+
+	// Toast tip: Seckill event is about to start, stay tuned!
+	seckillComingSoonTip: 'Seckill event is about to start, stay tuned!',
+}