Add Jacket indexer with capabilities implemented

internal/config/config.go

@@ -1,10 +1,42 @@
 package config
 
+import (
+	"fmt"
+)
+
+const (
+	IndexerTypeJackett IndexerType = "jackett"
+)
+
+type IndexerType string
+
 type Config struct {
 	App struct {
-		Port string `yaml:"port"`
 		Host string `yaml:"host"`
+		Port string `yaml:"port"`
 	} `yaml:"app"`
+
+	Indexer struct {
+		Url    string      `yaml:"url"`
+		Port   string      `yaml:"port"`
+		Type   IndexerType `yaml:"type"`
+		ApiKey string      `yaml:"api_key"`
+	} `yaml:"indexer"`
+}
+
+func (t *IndexerType) UnmarshalYAML(unmarshal func(any) error) error {
+	var value string
+	if err := unmarshal(&value); err != nil {
+		return err
+	}
+
+	switch IndexerType(value) {
+	case IndexerTypeJackett:
+		*t = IndexerType(value)
+		return nil
+	default:
+		return fmt.Errorf("unknown indexer type: %s", value)
+	}
 }
 
 func NewConfig() *Config {