Addresses #99 entirely.

src-ui/src/app/pipes/yes-no.pipe.spec.ts

@@ -0,0 +1,8 @@
+import { YesNoPipe } from './yes-no.pipe';
+
+describe('YesNoPipe', () => {
+  it('create an instance', () => {
+    const pipe = new YesNoPipe();
+    expect(pipe).toBeTruthy();
+  });
+});

src-ui/src/app/pipes/yes-no.pipe.ts

@@ -0,0 +1,12 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({
+  name: 'yesno'
+})
+export class YesNoPipe implements PipeTransform {
+
+  transform(value: boolean): unknown {
+    return value ? "Yes" : "No"
+  }
+
+}