quick fix for merge duplicate import or export declaration

<!-- 🚨 STOP 🚨 𝗦𝗧𝗢𝗣 🚨 𝑺𝑻𝑶𝑷 🚨 Half of all issues filed here are duplicates, answered in the FAQ, or not appropriate for the bug tracker. Please read the FAQ first, especially the "Common Feature Requests" section. --> ## Search Terms quickfix, import, export <!-- List of keywords you searched for before creating this issue. Write them down here so that others can find this suggestion more easily --> ## Suggestion provide a quickfix for merge two(or more) import or export declaration <!-- A summary of what you'd like to see added or changed --> ## Use Cases <!-- What do you want to use this for? What shortcomings exist with current approaches? --> it's useful for resolve git conflict ## Examples ```ts // ==== import { a, b, c } from 'mod' // ==== import { b, d, e } from 'mod' // ==== ``` keep each other for git conflict: ```ts import { a, b, c } from 'mod' import { b, d, e } from 'mod' ``` <!-- Show how this would be used and what the behavior would be --> after merge: ```ts import { a, b, c, d, e } from 'mod' ``` ## Checklist My suggestion meets these guidelines: * [x] This wouldn't be a breaking change in existing TypeScript / JavaScript code * [x] This wouldn't change the runtime behavior of existing JavaScript code * [x] This could be implemented without emitting different JS based on the types of the expressions * [x] This isn't a runtime feature (e.g. new expression-level syntax)