increase ui version, fixed gitignore, remove ui files

Author: koleslena

.gitignore

@@ -8,8 +8,8 @@ target/*
 vs.bin
 App_Data/*
 node_modules
-src/main/resources/static/assets/*
-!src/main/resources/static/assets/.gitkeep
+src/main/resources/static/*
+!src/main/resources/static/.gitkeep
 node/
 etc/
 package-lock.json

client/package.json

@@ -37,10 +37,7 @@
     "@angular/platform-browser": "^8.2.1",
     "@angular/platform-browser-dynamic": "^8.2.1",
     "@angular/router": "^8.2.1",
-    "@groupdocs.examples.angular/conversion": "^0.4.4",
-    "@groupdocs.examples.jquery/common": "^0.16.0",
-    "@groupdocs.examples.jquery/conversion": "^0.16.0",
-    "@groupdocs.examples.jquery/viewer": "^0.16.0",
+    "@groupdocs.examples.angular/conversion": "^0.5.5",
     "@nrwl/angular": "^8.4.6",
     "core-js": "^2.5.4",
     "rxjs": "~6.4.0",