docs: update current progress status in ROADMAP_SCRATCH.md

docs/ROADMAP_SCRATCH.md

@@ -56,4 +56,4 @@
 - FINAL ckpt + model card + public HF + version tag
 
 ## Abhi kaha hai?
-Step 0-2 done. Agla: **Step 3 toy test (Kaggle)** → Step 4 data (tumhara kaam) → Step 5 tokenizer.
+Step 0, 1, 2, 3, 5, 6 **DONE**. Agla: **Step 4 (Data v2 collection — 4-5B tokens)** → **Step 7 (Full MoE Pretraining on GPU)**.