Better JS language integration for Pre-Request scripts and Test scripts (#1422)

* 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>

nuxt.config.js

@@ -326,6 +326,12 @@ export default {
           use: { loader: "raw-loader" },
           exclude: /(node_modules)/,
         })
+
+        config.module.rules.push({
+          test: /\.mjs$/,
+          include: /node_modules/,
+          type: "javascript/auto"
+        })
       }
     },
     parallel: true,