Added minimum password length to app.ini (#223)

modules/setting/setting.go

@@ -96,6 +96,7 @@ var (
 	CookieUserName       string
 	CookieRememberName   string
 	ReverseProxyAuthUser string
+	MinPasswordLength    int
 
 	// Database settings
 	UseSQLite3    bool
@@ -589,6 +590,11 @@ please consider changing to GITEA_CUSTOM`)
 	CookieUserName = sec.Key("COOKIE_USERNAME").MustString("gitea_awesome")
 	CookieRememberName = sec.Key("COOKIE_REMEMBER_NAME").MustString("gitea_incredible")
 	ReverseProxyAuthUser = sec.Key("REVERSE_PROXY_AUTHENTICATION_USER").MustString("X-WEBAUTH-USER")
+	MinPasswordLength = sec.Key("MIN_PASSWORD_LENGTH").MustInt()
+
+	if MinPasswordLength == 0 {
+		MinPasswordLength = 6
+	}
 
 	sec = Cfg.Section("attachment")
 	AttachmentPath = sec.Key("PATH").MustString(path.Join(AppDataPath, "attachments"))