feat: add not found component (#327)

Fixes #110

src/app/not-found/not-found.component.html

@@ -0,0 +1,5 @@
+  <div id="particles-js"></div>
+  <div class="text">
+    <h1 id="title">404</h1>
+    <p id="subtitle">Something went wrong.</p>
+  </div>

src/app/not-found/not-found.component.scss

@@ -0,0 +1,28 @@
+#particles-js {
+  position: absolute;
+  width: 100%;
+  height: 100%;
+  background: cornflowerblue;
+}
+
+.text {
+	position: absolute;
+	top: 50%;
+	right: 50%;
+	transform: translate(50%,-50%);
+	max-width: 90%;
+	padding: 2em 3em;
+  color: white;
+	font-family: 'Raleway', sans-serif;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+#title {
+  font-size: 120pt;
+}
+
+#subtitle {
+  font-size: 12pt;
+}

src/app/not-found/not-found.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { NotFoundComponent } from './not-found.component';
+
+describe('NotFoundComponent', () => {
+  let component: NotFoundComponent;
+  let fixture: ComponentFixture<NotFoundComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ NotFoundComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(NotFoundComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/not-found/not-found.component.ts

@@ -0,0 +1,17 @@
+import { Component, OnInit } from '@angular/core';
+declare var particlesJS: any;
+
+@Component({
+  selector: 'mifosx-not-found',
+  templateUrl: './not-found.component.html',
+  styleUrls: ['./not-found.component.scss']
+})
+export class NotFoundComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {
+    particlesJS.load('particles-js', '/assets/particles.json');
+  }
+
+}