fix: update output locations

Author: neekolas

package.json

@@ -2,11 +2,11 @@
   "name": "@xmtp/xmtp-js",
   "version": "0.0.0-development",
   "description": "XMTP client SDK for interacting with XMTP networks.",
-  "main": "dist/cjs/index.js",
-  "module": "dist/esm/index.js",
+  "main": "dist/cjs/src/index.js",
+  "module": "dist/esm/src/index.js",
   "umd:main": "dist/umd/index.js",
   "browser": "dist/umd/index.js",
-  "types": "dist/types/index.d.ts",
+  "types": "dist/types/src/index.d.ts",
   "scripts": {
     "build": "npm run build:cjs && npm run build:esm && npm run build:umd && npm run build:types",
     "build:cjs": "node tools/cleanup cjs && tsc -p config/tsconfig.cjs.json",