added external directives to Notifications, change case of keys in host, and update docs

pkg/backy/notification.go

@@ -58,6 +58,7 @@ func (opts *ConfigOpts) SetupNotify() {
 					opts.Logger.Info().Err(fmt.Errorf("error: ID %s not found in mail object", confId)).Str("list", confName).Send()
 					continue
 				}
+				conf.Password = getExternalConfigDirectiveValue(conf.Password, opts)
 				mailConf := setupMail(conf)
 				services = append(services, mailConf)
 			case "matrix":
@@ -66,6 +67,7 @@ func (opts *ConfigOpts) SetupNotify() {
 					opts.Logger.Info().Err(fmt.Errorf("error: ID %s not found in matrix object", confId)).Str("list", confName).Send()
 					continue
 				}
+				conf.AccessToken = getExternalConfigDirectiveValue(conf.AccessToken, opts)
 				mtrxConf, mtrxErr := setupMatrix(conf)
 				if mtrxErr != nil {
 					opts.Logger.Info().Str("list", confName).Err(fmt.Errorf("error: configuring matrix id %s failed during setup: %w", id, mtrxErr))

pkg/backy/types.go

@@ -26,15 +26,15 @@ type (
 		ConfigFilePath     string `yaml:"config,omitempty"`
 		Host               string `yaml:"host,omitempty"`
 		HostName           string `yaml:"hostname,omitempty"`
-		KnownHostsFile     string `yaml:"knownhostsfile,omitempty"`
+		KnownHostsFile     string `yaml:"knownHostsFile,omitempty"`
 		ClientConfig       *ssh.ClientConfig
 		SSHConfigFile      *sshConfigFile
 		SshClient          *ssh.Client
 		Port               uint16 `yaml:"port,omitempty"`
 		ProxyJump          string `yaml:"proxyjump,omitempty"`
 		Password           string `yaml:"password,omitempty"`
-		PrivateKeyPath     string `yaml:"privatekeypath,omitempty"`
-		PrivateKeyPassword string `yaml:"privatekeypassword,omitempty"`
+		PrivateKeyPath     string `yaml:"privateKeyPath,omitempty"`
+		PrivateKeyPassword string `yaml:"privateKeyPassword,omitempty"`
 		useDefaultConfig   bool
 		User               string `yaml:"user,omitempty"`
 		isProxyHost        bool