feat: split entrypoint into scripts

image/scripts/python-install

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+if [ -n "$PYTHON_INSTALL" ]; then
+    entrypoint-log "$ME: Install python packages: $PYTHON_INSTALL"
+    uv pip install --no-cache-dir $(echo "$PYTHON_INSTALL" | tr "," " ")
+fi
+
+entrypoint-log "$ME: List python packages:" 
+uv pip list