Migrate to ESM

Author: MinASL19

.eslintignore

@@ -43,7 +43,6 @@
 - Deprecated some CSS logical property utilities [[#16](https://github.com/ASL-19/emotion-utils/pull/16)]:
 
   Deprecated the following:
-
   - borderInlineEndWidth
   - borderInlineStartWidth
   - marginInlineEnd

.eslintrc.js

@@ -4,5 +4,5 @@
 {
   "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
   "extends": "@asl-19/shared-package-configs/api-extractor.json",
-  "mainEntryPointFilePath": "<projectFolder>/dist/esm/index.d.ts"
+  "mainEntryPointFilePath": "<projectFolder>/dist/index.d.ts"
 }