first commit

src/app/components/components.module.ts

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+import { NgModule } from "@angular/core";
+import { CommonModule } from "@angular/common";
+import { RouterModule } from "@angular/router";
+import { NgbModule } from "@ng-bootstrap/ng-bootstrap";
+
+import { FooterComponent } from "./footer/footer.component";
+import { NavbarComponent } from "./navbar/navbar.component";
+import { SidebarComponent } from "./sidebar/sidebar.component";
+
+@NgModule({
+  imports: [CommonModule, RouterModule, NgbModule],
+  declarations: [FooterComponent, NavbarComponent, SidebarComponent],
+  exports: [FooterComponent, NavbarComponent, SidebarComponent]
+})
+export class ComponentsModule {}