Use nested configuration for uv

Author: jonatanklosko

README.md

@@ -104,15 +104,16 @@ Configure the desired Python version and dependencies in your
 ```elixir
 import Config
 
-config :pythonx, :uv_pyproject_toml, """
-[project]
-name = "project"
-version = "0.0.0"
-requires-python = "==3.13.*"
-dependencies = [
-  "numpy==2.2.2"
-]
-"""
+config :pythonx, :uv,
+  pyproject_toml: """
+  [project]
+  name = "project"
+  version = "0.0.0"
+  requires-python = "==3.13.*"
+  dependencies = [
+    "numpy==2.2.2"
+  ]
+  """
 ```
 
 With that, you can use `Pythonx.eval/2` and other APIs in your

lib/pythonx/application.ex

@@ -20,14 +20,14 @@ defmodule Pythonx.Application do
 
   # If configured, Python and dependencies are fetched at compile time,
   # so we automatically initialize the interpreter on boot.
-  if pyproject_toml = Application.compile_env(:pythonx, :uv_pyproject_toml) do
+  if pyproject_toml = Application.compile_env(:pythonx, :uv)[:pyproject_toml] do
     defp maybe_uv_init(), do: Pythonx.Uv.init(unquote(pyproject_toml), true)
   else
     defp maybe_uv_init(), do: :noop
   end
 end
 
 # If configured, fetch Python and dependencies when compiling.
-if pyproject_toml = Application.compile_env(:pythonx, :uv_pyproject_toml) do
+if pyproject_toml = Application.compile_env(:pythonx, :uv)[:pyproject_toml] do
   Pythonx.Uv.fetch(pyproject_toml, true)
 end