Fill default config before trying to unmarshal config file

This keeps the default config values available if the config file only
has a few options.

Also, if the config is not found, save the default config in its place.
And pretty print it when saving to make it easier to edit for users.

config/config.go

@@ -51,12 +51,15 @@ var AlpmConf alpm.PacmanConfig
 var AlpmHandle *alpm.Handle
 
 func init() {
+	defaultSettings(&YayConf)
+
 	var err error
 	configfile := os.Getenv("HOME") + "/.config/yay/config.json"
 
 	if _, err = os.Stat(configfile); os.IsNotExist(err) {
 		_ = os.MkdirAll(os.Getenv("HOME")+"/.config/yay", 0755)
-		defaultSettings(&YayConf)
+		// Save the default config if nothing is found
+		SaveConfig()
 	} else {
 		file, err := os.Open(configfile)
 		if err != nil {
@@ -100,7 +103,7 @@ func readAlpmConfig(pacmanconf string) (conf alpm.PacmanConfig, err error) {
 func SaveConfig() error {
 	YayConf.NoConfirm = false
 	configfile := os.Getenv("HOME") + "/.config/yay/config.json"
-	marshalledinfo, _ := json.Marshal(YayConf)
+	marshalledinfo, _ := json.MarshalIndent(YayConf, "", "\t")
 	in, err := os.OpenFile(configfile, os.O_RDWR|os.O_CREATE, 0755)
 	if err != nil {
 		return err