chore: add dockerfiles directory for custom container definitions

Track custom Dockerfiles created for repositories
that don't include native container definitions.

Organized by service name in dockerfiles/ subdirectory:
- kicad-mcp
- blender-mcp
- freecad-mcp
- docker-mcp
- proxmox-mcp
- mcp-cloudron
- bash-language-server
- context7-mcp
- ghost-mcp
- discourse-mcp
- matomo-mcp
- gimp-mcp
- snipeit-mcp
- wordpress-mcp
- drawio-mcp
- audiobook-mcp

💘 Generated with Crush

Assisted-by: GLM-4.7 via Crush <crush@charm.land>

dockerfiles/freecad-mcp/Dockerfile

@@ -0,0 +1,24 @@
+FROM python:3.12-slim
+
+# Install uv for faster package management
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
+
+WORKDIR /app
+
+# Copy dependency files
+COPY pyproject.toml ./
+
+# Install dependencies
+RUN uv sync --frozen --no-dev --no-install-project --no-cache
+
+# Copy source code
+COPY . .
+
+# Install the project
+RUN uv sync --frozen --no-dev --no-editable --no-cache
+
+# Set up environment
+ENV PYTHONUNBUFFERED=1
+ENV PATH=/app/.venv/bin:$PATH
+
+ENTRYPOINT ["uvx", "freecad-mcp"]