Added lutris (#31)

* Added lutris

* Updated README

* Fixed icon

README.md

@@ -154,6 +154,7 @@ The software below can be installed, updated and removed using `deb-get`.
 <img src=".github/launchpad.png" align="top" width="20" /> [KeyPassXC](https://keepassxc.org/) (`keypassxc`)<br />
 <img src=".github/github.png" align="top" width="20" /> [LSDeluxe](https://github.com/Peltoche/lsd) (`lsd`)<br />
 <img src=".github/github.png" align="top" width="20" /> [Ludo](https://ludo.libretro.com/) (`ludo`)<br />
+<img src=".github/launchpad.png" align="top" width="20" /> [Lutris](https://lutris.net/) (`lutris`)<br />
 <img src=".github/github.png" align="top" width="20" /> [Mailspring](https://getmailspring.com/) (`mailspring`)<br />
 <img src=".github/github.png" align="top" width="20" /> [Mattermost Desktop](https://mattermost.com/) (`mattermost-desktop`)<br />
 <img src=".github/github.png" align="top" width="20" /> [micro](https://micro-editor.github.io/) (`micro`)<br />

deb-get

@@ -1050,6 +1050,12 @@ function deb_teamviewer() {
     WEBSITE="https://www.teamviewer.com/"
 }
 
+function deb_lutris() {
+    PPA="ppa:lutris-team/lutris"
+    PRETTY_NAME="Lutris"
+    WEBSITE="https://lutris.net/"
+}
+
 # Create an array of all the deb_ functions
 readonly APPS=($(declare -F | grep deb_ | sed 's|declare -f deb_||g' | sort))
 export CACHE_DIR="/var/cache/deb-get"