Add minimal configuration file

README.md

@@ -50,6 +50,7 @@ To build the dashboard, follow these steps:
 
 2. **Edit the Configuration**
    Customize the `config.toml` file to suit your environment.
+   Or you can use a [minimal configuration file](minimal.config.toml).
 
 3. **Start the Backend**
    ```bash

config/config.go

@@ -52,7 +52,7 @@ type Config struct {
 }
 
 func NewFromFile(filePath string) (*Config, error) {
-	cfg := Config{}
+	cfg := DefaultConfig
 	if _, err := toml.DecodeFile(filePath, &cfg); err != nil {
 		return nil, err
 	}

minimal.config.toml

@@ -0,0 +1,13 @@
+# Chain API configuration
+[chain]
+    # List of chain API to connect to
+    apis = ["token:/ip4/127.0.0.1/tcp/1234/http"]
+
+[harmonydb]
+    # URL to connect to the HarmonyDB database
+    url = "postgres://yugabyte:yugabyte@127.0.0.1:5433/curio?search_path=curio&target_session_attrs=any"
+
+# Curio configuration
+[curio]
+    # List of Curio WebRPC to connect to
+    apis = ["http://127.0.0.1:4701"]