chore: resolve unmet peer dependeny warnings

npm WARN @angular-devkit/[email protected] requires a peer of @angular-devkit/[email protected] but none is installed.
npm WARN @schematics/[email protected] requires a peer of @angular-devkit/[email protected] but none is installed.

Author: dopry

package.json

@@ -42,6 +42,7 @@
   },
   "homepage": "https://github.com/fh1ch/node-bacstack-browser#readme",
   "dependencies": {
+    "@angular-devkit/core": "0.0.29",
     "@angular/animations": "^5.0.0",
     "@angular/common": "^5.0.0",
     "@angular/compiler": "^5.0.0",
@@ -51,6 +52,7 @@
     "@angular/platform-browser": "^5.0.0",
     "@angular/platform-browser-dynamic": "^5.0.0",
     "@angular/router": "^5.0.0",
+    "ajv": "^6.0.0",
     "async": "^2.6.0",
     "bacstack": "0.0.1-beta.13",
     "body-parser": "^1.18.2",