Add Garuda Linux public instance (#241)

Co-authored-by: Ben Busby <benbusby@protonmail.com>

README.md

@@ -342,6 +342,7 @@ A lot of the app currently piggybacks on Google's existing support for fetching
 - [https://whoogle.sdf.org](https://whoogle.sdf.org)
 - [https://whoogle.himiko.cloud](https://whoogle.himiko.cloud)
 - [https://whoogle.kavin.rocks](https://whoogle.kavin.rocks) or [http://whoogledq5f5wly5p4i2ohnvjwlihnlg4oajjum2oeddfwqdwupbuhqd.onion](http://whoogledq5f5wly5p4i2ohnvjwlihnlg4oajjum2oeddfwqdwupbuhqd.onion)
+- [https://search.garudalinux.org](https://search.garudalinux.org)
 
 ## Screenshots
 #### Desktop