chore: set up Makefile, linting, and dockerized dev shell

Dockerfile.dev

@@ -0,0 +1,25 @@
+FROM node:20-slim
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    python3 \
+    python3-pip \
+    make \
+    curl \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install DuckDB
+RUN curl -L https://github.com/duckdb/duckdb/releases/download/v0.10.0/duckdb_cli-linux-amd64.zip -o duckdb.zip \
+    && apt-get update && apt-get install -y unzip \
+    && unzip duckdb.zip -d /usr/local/bin \
+    && rm duckdb.zip
+
+# Set working directory
+WORKDIR /app
+
+# Install Python dependencies
+RUN pip3 install duckdb ruff --break-system-packages
+
+# Default command
+CMD ["/bin/bash"]