Add bip39 dependency

Auditors: @cezaraugusto
brave · cezaraugusto · Feb 19, 2018 · Feb 22, 2018 · Feb 22, 2018 · Mar 1, 2018
commit 764b09b3b4e6174f8e12e930c6d33b8a364ef9bf
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -92,6 +92,7 @@
     "bat-client": "^2.1.2",
     "bat-publisher": "^2.0.15",
     "bignumber.js": "^4.0.4",
+    "bip39": "^2.5.0",
     "bloodhound-js": "brave/bloodhound",
     "brave-ui": "^0.5.0",
     "clipboard-copy": "^1.0.0",