Add tagline

engine/config.py

@@ -16,6 +16,10 @@ METADATA={
     #to distinguish between compatible program versions. In basic programs this will just be e.g.
     #patroneo. But in complex programs with a bright future it will be "laborejo1" "laborejo2" etc.    
     "shortName" : "argodejo", 
+
+    #A very short description used in various places: Desktop file, overview on the website,
+    #release announcements, entries in software directories etc.
+    "tagline" : 'Music and audio production session manager based on NSM.', 
     
     "version" : "1.0",    
     "year" : "2020",