build: Use prettier for typescript

Stop ignoring .ts files in prettier and fix existing issues.

src/app/pipes/url-to-string.pipe.ts

@@ -9,26 +9,25 @@ import { Pipe, PipeTransform } from '@angular/core';
   name: 'urlToString'
 })
 export class UrlToStringPipe implements PipeTransform {
-
   transform(url: string): any {
     url = decodeURIComponent(url);
     const urlSubstrings: string[] = url.slice(1).split('/');
-    if (url.includes('?')) { // Query params URL.
+    if (url.includes('?')) {
+      // Query params URL.
       const query = urlSubstrings.pop();
       const prefix = query.slice(0, query.indexOf('?'));
       urlSubstrings.push(prefix);
     }
-    const stringRepresentation =
-      urlSubstrings
-        .map((path: string) => {
-          return path.split('-')
-            .map((str: string) => {
-              return str.charAt(0).toUpperCase() + str.slice(1);
-            })
-            .join(' ');
-        })
-        .join(' | ');
+    const stringRepresentation = urlSubstrings
+      .map((path: string) => {
+        return path
+          .split('-')
+          .map((str: string) => {
+            return str.charAt(0).toUpperCase() + str.slice(1);
+          })
+          .join(' ');
+      })
+      .join(' | ');
     return stringRepresentation;
   }
-
 }