build(docs-infra): upgrade tslint to 5.15.0 and codelyzer to 5.0.0 (#29926)

This commit also changes the `tslint.json` config file to (reasonably
closely) match what the cli would generate for a new app.

PR Close #29926

aio/content/examples/template-syntax/src/app/click.directive.ts

@@ -6,7 +6,7 @@ import { Directive, ElementRef, EventEmitter, Output } from '@angular/core';
 export class ClickDirective {
   // #docregion output-myClick
   @Output('myClick') clicks = new EventEmitter<string>(); //  @Output(alias) propertyName = ...
- // #enddocregion output-myClick
+  // #enddocregion output-myClick
 
   toggle = false;
 
@@ -23,10 +23,12 @@ export class ClickDirective {
 @Directive({
   // #enddocregion output-myClick2
   selector: '[myClick2]',
+  // tslint:disable: no-outputs-metadata-property
   // #docregion output-myClick2
   outputs: ['clicks:myClick']  // propertyName:alias
 })
 // #enddocregion output-myClick2
+// tslint:enable: no-outputs-metadata-property
 export class ClickDirective2 {
   clicks = new EventEmitter<string>();
   toggle = false;

aio/content/examples/template-syntax/src/app/hero-detail.component.ts

@@ -8,10 +8,12 @@ import { Hero } from './hero';
 @Component({
 // #enddocregion input-output-2
   selector: 'app-hero-detail',
+  // tslint:disable: no-inputs-metadata-property no-outputs-metadata-property
   // #docregion input-output-2
   inputs: ['hero'],
   outputs: ['deleteRequest'],
   // #enddocregion input-output-2
+  // tslint:enable: no-inputs-metadata-property no-outputs-metadata-property
   styles: ['button {margin-left: 8px} div {margin: 8px 0} img {height:24px}'],
   // #docregion template-1
   template: `