docs: number Official Repo and Paper references

README.md

@@ -65,10 +65,10 @@ Think of two stages glued on one BEV map. Cameras are encoded by HENet-tiny and
 
 ### Official Repo and Paper
 
-Horizon reference algorithm blog (Diffusion-Planner_v3.0): https://developer.horizon.auto/blog/14190
-Diffusion-Planner: https://github.com/ZhengYinan-AIR/Diffusion-Planner (paper: https://arxiv.org/abs/2501.15564)
-NAVSIM benchmark: https://github.com/autonomousvision/navsim (paper: https://arxiv.org/abs/2406.15349)
-SparseBEV-style det head repo: https://github.com/MCG-NJU/SparseBEV (paper: https://arxiv.org/abs/2308.09244)
-MapTR repo: https://github.com/hustvl/MapTR (paper: https://arxiv.org/abs/2208.14437)
+1. Horizon reference algorithm blog (Diffusion-Planner_v3.0): https://developer.horizon.auto/blog/14190
+2. Diffusion-Planner: https://github.com/ZhengYinan-AIR/Diffusion-Planner (paper: https://arxiv.org/abs/2501.15564)
+3. NAVSIM benchmark: https://github.com/autonomousvision/navsim (paper: https://arxiv.org/abs/2406.15349)
+4. SparseBEV-style det head repo: https://github.com/MCG-NJU/SparseBEV (paper: https://arxiv.org/abs/2308.09244)
+5. MapTR repo: https://github.com/hustvl/MapTR (paper: https://arxiv.org/abs/2208.14437)
 
 Note: The camera backbone HENet and the E2E assembly are HEAL in-house implementations; the official repos use different backbones and pipelines.