Default values for config

internal/config/config.go

@@ -1,8 +1,16 @@
 package config
 
 type Config struct {
-	Server struct {
+	App struct {
 		Port string `yaml:"port"`
 		Host string `yaml:"host"`
-	} `yaml:"server"`
+	} `yaml:"app"`
+}
+
+func NewConfig() *Config {
+	config := Config{}
+	config.App.Host = "localhost"
+	config.App.Port = "8080"
+
+	return &config
 }