feat(cli): add quickstart cmd

This commit adds a new komorebic quickstart command to handle the
downloading of example configuration files, which is currently done
manually by the user if they are following the quickstart guide on the
README.

re #585

komorebi-core/src/config_generation.rs

@@ -105,8 +105,7 @@ impl ApplicationConfiguration {
                 ApplicationIdentifier::Exe => {
                     self.identifier.matching_strategy = Option::from(MatchingStrategy::Equals);
                 }
-                ApplicationIdentifier::Class => {}
-                ApplicationIdentifier::Title => {}
+                ApplicationIdentifier::Class | ApplicationIdentifier::Title => {}
             }
         }
     }