fix: update package.json

Author: daviddias

package.json

@@ -2,15 +2,16 @@
   "name": "multihashes",
   "version": "0.2.3",
   "description": "multihash implementation",
-  "main": "lib/index.js",
-  "jsnext:main": "src/index.js",
+  "main": "src/index.js",
   "scripts": {
     "test:node": "aegir-test node",
     "lint": "aegir-lint",
     "test:browser": "aegir-test browser",
     "build": "aegir-build",
     "test": "aegir-test",
     "release": "aegir-release",
+    "release-minor": "aegir-release --type minor",
+    "release-major": "aegir-release --type major",
     "coverage": "aegir-coverage",
     "coverage-publish": "aegir-coverage publish"
   },