fix: add ng-bootstrap metadata (#142)

Author: jdegand

metadata.json

@@ -173,6 +173,12 @@
  "license": "MIT",
  "name": "ngAarhus"
  },
+ "ng-bootstrap.svg": {
+ "creator": "Max Okorokov",
+ "license": "MIT",
+ "website": "https://ng-bootstrap.github.io/#/home",
+ "name": "ng-bootstrap"
+ },
  "ng-lightning": {
  "name": "ng-lightning",
  "license": "MIT",