Move bot config to separate struct.

bot_config.go

@@ -0,0 +1,42 @@
+package tgbotapi
+
+type BotConfigI interface {
+	GetApiEndpoint() string
+	GetToken() string
+	GetDebug() bool
+}
+
+type BotConfig struct {
+	token string
+	debug bool
+
+	apiEndpoint string
+}
+
+func NewBotConfig(token, apiEndpoint string, debug bool) *BotConfig {
+	return &BotConfig{
+		token:       token,
+		debug:       debug,
+		apiEndpoint: apiEndpoint,
+	}
+}
+
+func NewDefaultBotConfig(token string) *BotConfig {
+	return &BotConfig{
+		token:       token,
+		debug:       false,
+		apiEndpoint: APIEndpoint,
+	}
+}
+
+func (c *BotConfig) GetApiEndpoint() string {
+	return c.apiEndpoint
+}
+
+func (c *BotConfig) GetToken() string {
+	return c.token
+}
+
+func (c *BotConfig) GetDebug() bool {
+	return c.debug
+}