feat: ✨ initialize project structure with frontend dependencies and backend protocols

internal/config/config.go

@@ -0,0 +1,71 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+
+	"gopkg.in/yaml.v3"
+)
+
+type ConnectionConfig struct {
+	ID          string `yaml:"id" json:"id"`
+	Name        string `yaml:"name" json:"name"`
+	Protocol    string `yaml:"protocol" json:"protocol"`
+	Host        string `yaml:"host,omitempty" json:"host,omitempty"`
+	Port        int    `yaml:"port,omitempty" json:"port,omitempty"`
+	Bucket      string `yaml:"bucket,omitempty" json:"bucket,omitempty"`
+	Region      string `yaml:"region,omitempty" json:"region,omitempty"`
+	PathStyle   bool   `yaml:"path_style,omitempty" json:"path_style,omitempty"`
+	Username    string `yaml:"username,omitempty" json:"username,omitempty"`
+	KeychainKey string `yaml:"keychain_key,omitempty" json:"keychain_key,omitempty"`
+}
+
+type Config struct {
+	Connections []ConnectionConfig `yaml:"connections"`
+}
+
+func getConfigPath() (string, error) {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return "", err
+	}
+	dir := filepath.Join(home, ".config", "goexplore")
+	if err := os.MkdirAll(dir, 0755); err != nil {
+		return "", err
+	}
+	return filepath.Join(dir, "config.yaml"), nil
+}
+
+func LoadConfig() (*Config, error) {
+	path, err := getConfigPath()
+	if err != nil {
+		return nil, err
+	}
+	
+	data, err := os.ReadFile(path)
+	if os.IsNotExist(err) {
+		return &Config{Connections: []ConnectionConfig{}}, nil
+	} else if err != nil {
+		return nil, err
+	}
+
+	var cfg Config
+	if err := yaml.Unmarshal(data, &cfg); err != nil {
+		return nil, err
+	}
+	return &cfg, nil
+}
+
+func SaveConfig(cfg *Config) error {
+	path, err := getConfigPath()
+	if err != nil {
+		return err
+	}
+
+	data, err := yaml.Marshal(cfg)
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(path, data, 0644)
+}