chore: add a Makefile command to create all required local configuration files (#883)

* fix: polish the makefile to provide config command for local config setup

* docs: polish the instructions in README

Makefile

@@ -1,6 +1,6 @@
 # DeerFlow - Unified Development Environment
 
-.PHONY: help check install dev stop clean docker-init docker-start docker-stop docker-logs docker-logs-frontend docker-logs-gateway
+.PHONY: help config check install dev stop clean docker-init docker-start docker-stop docker-logs docker-logs-frontend docker-logs-gateway
 
 help:
 	@echo "DeerFlow Development Commands:"
@@ -19,6 +19,12 @@ help:
 	@echo "  make docker-logs-frontend - View Docker frontend logs"
 	@echo "  make docker-logs-gateway - View Docker gateway logs"
 
+config:
+	@test -f config.yaml || cp config.example.yaml config.yaml
+	@test -f .env || cp .env.example .env
+	@test -f frontend/.env || cp frontend/.env.example frontend/.env
+	@test -f extensions_config.json || cp extensions_config.example.json extensions_config.json
+
 # Check required tools
 check:
 	@echo "=========================================="

README.md

@@ -37,17 +37,23 @@ Learn more and see **real demos** on our official website.
 
 ### Configuration
 
-1. Clone the git repo of DeerFlow
+1. Clone the git repo of DeerFlow:
    ```bash
    git clone https://github.com/bytedance/deer-flow.git && cd deer-flow
    ```
-3. **Copy the example config**:
+2. Create local config files by copying the example files:
    ```bash
-   cp config.example.yaml config.yaml
-   cp .env.example .env
+   make config
    ```
 
-4. **Edit `config.yaml`** and set your API keys in `.env` and preferred sandbox mode.
+3. Update the configs:
+
+- **Required**
+   - `config.yaml`: configure your preferred models.
+   - `.env`: configure your API keys.
+- **Optional**
+   - `frontend/.env`: configure backend API URLs.
+   - `extensions_config.json`: configure desired MCP servers and skills.
 
 #### Sandbox Configuration