Add support for Mint Ulyana (#446)

* Update supported Mint versions

* Add support for Mint Ulyana

Co-authored-by: Dory-dev <31799121+Dory-dev@users.noreply.github.com>

README.md

@@ -51,7 +51,8 @@ Before submitting a bug report in the [issue tracker](https://github.com/AdnanHo
   * Debian: Jessie 8.0/Stretch 9.0/Buster 10/Bullseye (testing)/Sid (unstable)
   * Ubuntu: 14.04 Trusty/15.04 Vivid/15.10 Wily/16.04 Xenial/16.10 Yakkety/17.04 Zesty/17.10 Artful/18.04 Bionic/19.04 Disco/19.10 Eoan/20.04 Focal
   * elementary OS: O.3 Freya/0.4 Loki/5.0 Juno
-  * Mint: 15 Olivia/16 Petra/17.3 Rosa/18 Sarah/18.3 Sylvia/19.1 Tessa
+  * Mint: 15 Olivia/16 Petra/17.3 Rosa/18 Sarah/18.1 Serena/18.2 Sonya/18.3 Sylvia/19 Tara/19.1 Tessa/19.2 Tina/19.3 Tricia/20 Ulyana
+  * LMDE: 2 Betsy/3 Cindy/4 Debbie
   * Kali: kali-rolling/2016.2/2017.3/2018.3/2018.4
   * Deepin: 15/15.1/15.1.1/15.2/15.4.1
   * MX Linux: 17.1

displaylink-debian.sh

@@ -195,7 +195,7 @@ then
 # Mint
 elif [ "$lsb" == "LinuxMint" ];
 then
-	if [ $codename == "sarah" ] || [ $codename == "rosa" ] || [ $codename == "petra" ] || [ $codename == "olivia" ] || [ $codename == "serena" ] || [ $codename == "sonya" ] || [ $codename == "sylvia" ] || [ $codename == "tara" ] || [ $codename == "tessa" ] || [ $codename == "betsy" ] || [ $codename == "cindy" ] || [ $codename == "tina" ] || [ $codename == "tricia" ] || [ $codename == "debbie" ];
+	if [ $codename == "sarah" ] || [ $codename == "rosa" ] || [ $codename == "petra" ] || [ $codename == "olivia" ] || [ $codename == "serena" ] || [ $codename == "sonya" ] || [ $codename == "sylvia" ] || [ $codename == "tara" ] || [ $codename == "tessa" ] || [ $codename == "betsy" ] || [ $codename == "cindy" ] || [ $codename == "tina" ] || [ $codename == "tricia" ] || [ $codename == "debbie" ] || [ $codename == "ulyana" ];
 	then
 		echo -e "\nPlatform requirements satisfied, proceeding ..."
 	else