fix(package): update typeorm to version 0.2.18

Closes #6

Author: greenkeeper[bot]

package.json

@@ -44,7 +44,7 @@
     "sqlite3": "^3.1.13",
     "ts-node": "^4.0.0",
     "typedi": "^0.6.0",
-    "typeorm": "0.1.8",
+    "typeorm": "0.2.18",
     "typeorm-typedi-extensions": "^0.1.1",
     "winston": "^2.4.0"
   }