fix(docs-infra): use public folder instead of assets folder for static files in adev tutorials

Use public folder rather than assets folder after the change in angular-cli's defaults for angular.json

Fixes angular#58981

Author: josephperrott

adev/shared-docs/pipeline/tutorials/common/angular.json

@@ -47,7 +47,7 @@
             "polyfills": ["zone.js"],
             "tsConfig": "tsconfig.app.json",
             "inlineStyleLanguage": "scss",
-            "assets": ["src/favicon.ico", "src/assets"],
+            "assets": ["src/favicon.ico", "src/assets", "src/public"],
             "styles": ["src/styles.css"],
             "scripts": []
           },

adev/shared-docs/pipeline/tutorials/common/src/public/.gitkeep

@@ -7,7 +7,7 @@ import {Home} from './home/home';
   template: `
     <main>
       <header class="brand-name">
-        <img class="brand-logo" src="/assets/logo.svg" alt="logo" aria-hidden="true" />
+        <img class="brand-logo" src="/public/logo.svg" alt="logo" aria-hidden="true" />
       </header>
       <section class="content">
         <app-home />

…-hello-world/src/assets/location-pin.svg …-hello-world/src/public/location-pin.svgadev/src/content/tutorials/first-app/steps/01-hello-world/src/assets/location-pin.svg renamed to adev/src/content/tutorials/first-app/steps/01-hello-world/src/public/location-pin.svg adev/src/content/tutorials/first-app/steps/01-hello-world/src/assets/location-pin.svg renamed to adev/src/content/tutorials/first-app/steps/01-hello-world/src/public/location-pin.svg

@@ -7,7 +7,7 @@ import {Home} from './home/home';
   template: `
     <main>
       <header class="brand-name">
-        <img class="brand-logo" src="/assets/logo.svg" alt="logo" aria-hidden="true" />
+        <img class="brand-logo" src="/public/logo.svg" alt="logo" aria-hidden="true" />
       </header>
       <section class="content">
         <app-home />