fix: add support fallback import for command

Author: kien-ht

package.json

@@ -2,7 +2,13 @@
   "name": "cypress-image-diff-js",
   "version": "0.0.0",
   "description": "Visual regression testing tool with cypress",
+  "main": "./dist/command.js",
+  "types": "./types/command.d.ts",
   "exports": {
+    ".": {
+      "types": "./types/command.d.ts",
+      "default": "./dist/command.js"
+    },
     "./command": {
       "types": "./types/command.d.ts",
       "default": "./dist/command.js"