Link Colab guide

README.md

@@ -46,6 +46,10 @@ sf.write("out.wav", audio[0], 24000)
 Verbalize numbers (e.g. `٢٥ → خمسة وعشرين`) and **strip/transliterate English words** before
 synthesis (v3 attempts untrained English otherwise).
 
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+## ▶️ Run on Colab
+Free GPU, step-by-step: **[COLAB.md](./COLAB.md)** · runnable notebook: **[lahgtna_colab.ipynb](./lahgtna_colab.ipynb)** (open it in Colab → Runtime → T4 GPU). Log in with a HF read token (repo is private).
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 ## Training
 Combined **~34 h, 10,828 clips** (Eqkawkab ~8h + Noselleel ~26h), **raw + orthography-normalized**
 text. Continued from v2 `checkpoint-8000`, 5,000 steps, SDPA, bf16, 1× L4.