feat(shared): support dist package for browser (#1527)

Author: kazupon

packages/shared/package.json

@@ -36,13 +36,15 @@
     "name": "IntlifyShared",
     "formats": [
       "mjs",
+      "browser",
       "cjs"
     ]
   },
   "exports": {
     ".": {
       "types": "./dist/shared.d.ts",
       "import": "./dist/shared.mjs",
+      "browser": "./dist/shared.esm-browser.js",
       "node": {
         "import": {
           "production": "./dist/shared.prod.cjs",