[DMN Designer] Basic Code Completion for DMN Literal Expressions (7.6) ---------------------------------------------------------------------- Key: DROOLS-4688 URL: https://issues.jboss.org/browse/DROOLS-4688 Project: Drools Issue Type: Epic Components: DMN Editor Reporter: Guilherme Gomes Assignee: Guilherme Gomes Priority: Major Labels: drools-tools Users must have a basic code completion for DMN Literal Expressions. This task is a MVP, and don't have any backend logic. The code completion is powered by a simple autocompleted of FEEL functions and a simple code highlight. Demo of the proof of concept : https://user-images.githubusercontent.com/1079279/66720723-1ca4b100-edf0-...