add app debian include launcher

gistfile1.txt

Add app

Download aplicación 
$ wget https://dl.pstmn.io/download/latest/linux64 -O postman.tar.gz

Extract archive
$ sudo tar -xzf postman.tar.gz -C /opt

Make link to /usr/bin
$ sudo ln -s /opt/Postman/Postman /usr/bin/postman

Optional: remove downloaded file
$ rm postman.tar.gz

https://r00t4bl3.com/post/how-to-install-postman-native-app-in-linux-mint-18-3-sylvia


Add to launch

$ cat > /usr/share/applications/postman.desktop <<EOL
[Desktop Entry]
Encoding=UTF-8
Name=Postman
Exec=postman
Icon=/opt/Postman/resources/app/assets/icon.png
Terminal=false
Type=Application
Categories=Development;