Specific interface for provider enhancement (3/3) (#1023)

* adding in crashlytics changes * comments & adding package refs * address comments and make doc strings better * add opts.retry to event trigger

Author: colerogers

package.json

@@ -57,7 +57,8 @@
  "./v2/storage": "./lib/v2/providers/storage.js",
  "./v2/alerts": "./lib/v2/providers/alerts/index.js",
  "./v2/alerts/appDistribution": "./lib/v2/providers/alerts/appDistribution.js",
- "./v2/alerts/billing": "./lib/v2/providers/alerts/billing.js"
+ "./v2/alerts/billing": "./lib/v2/providers/alerts/billing.js",
+ "./v2/alerts/crashlytics": "./lib/v2/providers/alerts/crashlytics.js"
  },
  "typesVersions": {
  "*": {
@@ -126,6 +127,9 @@
  ],
  "v2/alerts/billing": [
  "lib/v2/providers/alerts/billing"
+ ],
+ "v2/alerts/crashlytics": [
+ "lib/v2/providers/alerts/crashlytics"
  ]
  }
  },