Add the other required files.

When installing from npm the PreResponse.js, IsJsonApiRequest.js, and PreHandler.js files are missing.

Author: Kevnz

package.json

@@ -1,6 +1,6 @@
 {
  "name": "@gar/hapi-json-api",
- "version": "3.0.1",
+ "version": "3.0.2",
  "description": "Hapi plugin for enabling/enforcing JSONAPI specification",
  "main": "lib/index.js",
  "scripts": {
@@ -41,7 +41,10 @@
  "lab": "^15.4.1"
  },
  "files": [
- "lib/index.js"
+ "lib/index.js",
+ "lib/PreResponse.js",
+ "lib/IsJsonApiRequest.js",
+ "lib/PreHandler.js"
  ],
  "pre-commit": [
  "lint",