Merge pull request #33 from NVIDIA-AI-Blueprints/fix/notebook-arch-diagram-png

Use PNG arch diagram in cvar_basic notebook

Author: phuo-nv

notebooks/cvar_basic.ipynb

@@ -8,7 +8,7 @@
         "# Quantitative Portfolio Optimization developer example\n",
         "[![Click here to deploy.](https://brev-assets.s3.us-west-1.amazonaws.com/nv-lb-dark.svg)](https://brev.nvidia.com/launchable/deploy?launchableID=env-360InRZzyHqDnJYQKIxaSggF8xI)\n",
         "\n",
-        "![arch_diagram](../docs/arch_diagram.svg)\n",
+        "![arch_diagram](../docs/arch_diagram.png)\n",
         "\n",
         "<div style=\"background-color: #e3f2fd; border-left: 6px solid #1976d2; padding: 15px; margin: 15px 0;\">\n",
         "<h4 style=\"margin-top: 0;\">📘 About This Notebook</h4>\n",