fix: use `undefined` path for the library route provider

npm/ng-packs/packages/schematics/src/commands/create-lib/files-package-standalone/__libraryName@kebab__/config/src/providers/route.provider.ts.template

@@ -12,7 +12,7 @@ export function configureRoutes() {
   const routes = inject(RoutesService);
   routes.add([
       {
-        path: '/<%= kebab(libraryName) %>',
+        path: undefined,
         name: e<%= pascal(libraryName) %>RouteNames.<%= pascal(libraryName) %>,
         iconClass: 'fas fa-book',
         layout: eLayoutType.application,

npm/ng-packs/packages/schematics/src/commands/create-lib/files-package/__libraryName@kebab__/config/src/providers/route.provider.ts.template

@@ -15,7 +15,7 @@ export function configureRoutes(routesService: RoutesService) {
   return () => {
     routesService.add([
       {
-        path: '/<%= kebab(libraryName) %>',
+        path: undefined,
         name: e<%= pascal(libraryName) %>RouteNames.<%= pascal(libraryName) %>,
         iconClass: 'fas fa-book',
         layout: eLayoutType.application,