Merge pull request cerebral#14 from cerebral/devtoolsPublishFix

chore(devtools): launch correct path in production mode

Author: christianalfoni

packages/node_modules/overmind-devtools/backend/main.js

@@ -20,7 +20,7 @@ function createWindow() {
   mainWindow.on('closed', () => app.quit())
 
   if (process.env.NODE_ENV === 'production') {
-    mainWindow.loadFile(path.resolve('dist', 'index.html'))
+    mainWindow.loadFile(path.join(__dirname, '..', 'dist', 'index.html'))
   } else {
     mainWindow.loadURL('http://localhost:3000')
     mainWindow.webContents.openDevTools()