Add desktop launcher for Intellij IDEA on Ubuntu KDE

add_intellij_launcher.sh

# Add the following to /usr/share/applications/idea.desktop
# You can now search in launcher (e.g ALT+SPACE for IDEA or Intellij and launch)
# Note: I install IDEA releases in /opt/idea/ and symlink to the current version with head/, hence /opt/idea/head/ 

[Desktop Entry]
Version=2017.2
Name=Intellij Ultimate Edition
Comment=The Drive to Develop
GenericName=Intellij IDEA
# Update with your local install location
Exec=/opt/idea/head/bin/idea.sh
Icon=/opt/idea/head/bin/idea.png
Type=Application
Terminal=false
StartupNotify=true
Categories=GNOME;GTK;Development;
MimeType=x-scheme-handler/idea;