add jackett client package instead of external library

also, fixed non-tv category searches resulting in 0 results

jackett/client.go

@@ -0,0 +1,20 @@
+package jackett
+
+type Config struct {
+	Host   string
+	APIKey string
+}
+
+type Client struct {
+	conf Config
+}
+
+func NewClient(conf Config) *Client {
+	return &Client{
+		conf: conf,
+	}
+}
+
+func (c *Client) buildUrl(path string) string {
+	return c.conf.Host + path
+}