feat: add firefly-iii-mcp and paperless-mcp MCP servers

- Added firefly-iii-mcp (v1.3.0) for personal finance management
  - Uses npm package @firefly-iii-mcp/local instead of source build
  - Requires FIREFLY_III_BASE_URL and FIREFLY_III_PAT env vars
- Added paperless-mcp (v1.0.0) for document management
  - Requires PAPERLESS_URL and PAPERLESS_TOKEN CLI args
- Created wrapper scripts for Crush integration
- Updated docker-compose.yml with new services
- Updated .env.example with required environment variables
- Added Financial & Budgeting category to README.md

Both servers validated with MCP protocol handshake.

Working MCP servers count: 27

💘 Generated with Crush

Assisted-by: GLM-5 via Crush <crush@charm.land>

dockerfiles/firefly-iii-mcp/Dockerfile

@@ -0,0 +1,18 @@
+# Firefly III MCP Server
+# https://github.com/etnperlong/firefly-iii-mcp
+# Uses published npm package for reliability
+
+FROM node:22-alpine
+
+WORKDIR /app
+
+# Install the npm package globally
+RUN npm install -g @firefly-iii-mcp/local
+
+# Environment variables (to be set at runtime)
+ENV FIREFLY_III_BASE_URL=""
+ENV FIREFLY_III_PAT=""
+ENV FIREFLY_III_PRESET="default"
+
+# Run the local MCP server
+ENTRYPOINT ["npx", "@firefly-iii-mcp/local"]