feat: add docs/build deps

Author: dzhang32

{{cookiecutter.package_name}}/pyproject.toml

@@ -20,6 +20,18 @@ dev = [
     "pytest==8.4.1",
     "pytest-cov==6.0.0",
 ]
+{% if cookiecutter.include_docs == 'y' %}
+docs = [
+    "mkdocs==1.6.1",
+    "mkdocs-material==9.6.18",
+    "mkdocstrings[python]==0.30.0",
+]
+{% endif %}
+{% if cookiecutter.include_pypi == 'y' %}
+build = [
+    "build==1.3.0",
+]
+{% endif %}
 
 {% if cookiecutter.include_cli == 'y' %}
 [project.scripts]