Merge branch 'gh-pages' of https://github.com/devonfw-training/devon4ng-training into gh-pages

Author: aldorn-cg

platform/platform.html

@@ -505,9 +505,6 @@ <h3>sessionStorage</h3>
             <section>
                 <h3>WebSQL</h3>
                 <ul class="no-bullets">
-                    <li>SQLLite in the Browser</li>
-                    <li>For significant amounts of structured data</li>
-                    <li>High performance searches of this data</li>
                     <li>Transactional database system</li>
                     <li><span class="secondaryColor">Deprecated</span> </li>
                     <li>Only supported in Chrome and Safari </li>
@@ -540,26 +537,14 @@ <h3>Storage Wrapper</h3>
             </section>
         </section>
     </section>
-        
-        <section data-background-iframe="https://pwa.bar/">
-            <h1 style="font-size: 3.0em;" class="fallbackColor" >
-                Anyone really does <a href="https://pwa.bar/" target="_blank">that</a>?
-            </h1>
-        </section>
 
         <section>
-            <a href="https://wiki-offline.jakearchibald.com/wiki/Rick_and_Morty">
-                <img class="plain" style="max-height: 15em;" src="./img/wikipedia.jpg">
-            </a>
-            <p>
-                <a href="https://developers.google.com/web/updates/2015/11/app-shell" class="credits" target="_blank">Image from Google Web Updates</a>
-            </p>
-        </section>
-
-        <section>
-            <p>Btw... <br>
-                Angular supports you if your want you page to have an App Shell be a PWA and use Service Workers</p>
-            <a style="font-size: smaller;" target="_blank" href="https://moduscreate.com/blog/creating-progressive-web-apps-using-angular/">How to create a PWA with Angular</a>
+            <p>Links to articles how to create Angular PWA</p>
+            <ul>
+                <li><a href="https://moduscreate.com/blog/creating-progressive-web-apps-using-angular" class="credits" target="_blank">https://moduscreate.com/blog/creating-progressive-web-apps-using-angular</a></li>
+                <li><a href="https://web.dev/articles/creating-pwa-with-angular-cli" class="credits" target="_blank">https://web.dev/articles/creating-pwa-with-angular-cli</a></li>
+                <li><a href="https://entwickler.de/angular/von-null-auf-progressive-in-einem-schritt" class="credits" target="_blank">https://entwickler.de/angular/von-null-auf-progressive-in-einem-schritt</a></li>
+            </ul>
         </section>
 
         <section data-background-iframe="https://whatwebcando.today" data-background-size="75%">
@@ -592,14 +577,18 @@ <h2>Summary</h2>
                   <li>A service worker can be used for caching, background syncting and push Notifications</li>
                   <li>PWAs can use storage technologies like localStorage, sessionStorage, IndexedDB or WebSQL</li>
                </ul>
-               <p class="hint center">Live Code Examples & Backup slides below</p>
-            </section>
-            <section id="examples" data-visibility="uncounted">
-               <h2>Live Code Examples</h2>
             </section>
             <section id="backup" data-visibility="uncounted">
                <h2>Backup slides</h2>
                <p>Following slides are not subject of the lecture.<br>Ask trainers in case of questions.</p>
+                <section>
+                    <a href="https://wiki-offline.jakearchibald.com/wiki/Rick_and_Morty">
+                        <img class="plain" style="max-height: 15em;" src="./img/wikipedia.jpg">
+                    </a>
+                    <p>
+                        <a href="https://developers.google.com/web/updates/2015/11/app-shell" class="credits" target="_blank">Image from Google Web Updates</a>
+                    </p>
+                </section>
             </section>
             <section data-visibility="uncounted">
                 <h2>Bookmarks</h2>