add clear script

package.json

@@ -87,7 +87,8 @@
     "test:renderer": "tape renderer/**/test.js | tap-format-spec",
     "rebuild": "electron-rebuild",
     "build": "build --dir",
-    "dist": "build"
+    "dist": "build",
+    "clear": "electron scripts/clear.js"
   },
   "build": {
     "appId": "com.hypermodules.hyperamp",

scripts/clear.js

@@ -0,0 +1,14 @@
+#!/usr/bin/env electron
+
+var Store = require('electron-store')
+
+var config = new Store({ name: 'hyperamp-config' })
+var persist = new Store({ name: 'hyperamp-persist' })
+
+console.log('clearing %s', config.path)
+config.clear()
+
+console.log('clearing %s', persist.path)
+persist.clear()
+
+process.exit(0)