Update dependencies

package.json

@@ -27,8 +27,10 @@
     "@angular/router": "7.1.0",
     "@ngx-translate/core": "^10.0.2",
     "@ngx-translate/http-loader": "^3.0.1",
+    "chart.js": "^2.7.3",
     "core-js": "^2.5.7",
     "hammerjs": "^2.0.8",
+    "ng2-charts": "^1.6.0",
     "ngx-markdown": "^1.6.0",
     "rxjs": "^6.3.3",
     "rxjs-compat": "^6.2.2",