fix: webpack build (#56)

Author: vasco-santos

.aegir.js

@@ -2,4 +2,12 @@
 
 module.exports = {
   bundlesize: { maxSize: '140kB' },
+  webpack: {
+    node: {
+      // needed by the mime-types module
+      path: true,
+      // needed by readable-web-to-node-stream module used by file-type
+      stream: true
+    }
+  }
 }

package.json

@@ -11,6 +11,9 @@
     "test": "aegir test -t node",
     "test:node": "aegir test -t node"
   },
+  "browser": {
+    "file-type": "file-type/browser"
+  },
   "pre-push": [
     "lint",
     "test"