Install pip and pre-commit in Dockerfile

.devcontainer/Dockerfile

@@ -3,4 +3,12 @@ FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:${VARIANT}
 
 RUN npm install -g pnpm
 
+RUN apt-get update \
+   && apt-get -y install --no-install-recommends \
+        python3-pip \
+        && apt-get clean -y \
+        && rm -rf /var/lib/apt/lists/*
+
+RUN python3 -m pip install pre-commit
+
 ENV PATH="${PATH}:./node_modules/.bin"