feat: add Dockerfile for Python 3.13 with Pipenv setup

Author: ryan-gang

dockerfiles/python-3.13.Dockerfile

@@ -0,0 +1,17 @@
+FROM python:3.13-alpine
+
+RUN pip install --no-cache-dir "pipenv>=2024.4.0"
+
+COPY Pipfile /app/Pipfile
+COPY Pipfile.lock /app/Pipfile.lock
+
+WORKDIR /app
+
+ENV WORKON_HOME=/venvs
+
+RUN pipenv install
+
+# Force environment creation
+RUN pipenv run python3 -c "1+1"
+
+ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="Pipfile,Pipfile.lock"