Update README.md

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Fix sample_3 text: နှစ်ဖါ → နှစ်ဖြာ

Fix sample_3: correct နှစ်ဖြာ typo (was နှစ်ဖါ)

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Update Sample Output (6 samples, euler/12 default settings)

Add sample_5 (Hallo darling long time no see)

Regenerate samples with euler/12 (fast default voices)

Update README.md

Add rich Sample Output section with inline audio players

Clarify training hardware (A100, ~13 hours) vs inference (any GPU/CPU)

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