Make connection timeout configurable

config/bridge.go

@@ -33,6 +33,8 @@ type BridgeConfig struct {
 	UsernameTemplate    string `yaml:"username_template"`
 	DisplaynameTemplate string `yaml:"displayname_template"`
 
+	ConnectionTimeout int `yaml:"connection_timeout"`
+
 	CommandPrefix string `yaml:"command_prefix"`
 
 	Permissions PermissionConfig `yaml:"permissions"`