* Add tern as dependency
* Add build rule to transpile mjs
* Initial implementation of the auto complete engine
* Separate out the tern server code to separate file
* Added extra type defs for tern server
* Boost the pw completion result to the top of the list
* Added acorn and acorn-walk as dependency
* Semantic linting powered by tern
* Fix DeepCode warnings for js-editor
* Remove unused registerLint tern extension
Co-authored-by: Liyas Thomas <liyascthomas@gmail.com>