Remove default content files and add new example content

Remove default content files and add new example content, including
about pages, blog posts with mixed content formats, and updated front
page content.

app/default/content/blog/2025-01-15-first-post/metadata.ini

@@ -0,0 +1,6 @@
+title = "First Post"
+summary = "A simple blog post demonstrating date extraction and metadata"
+
+[no]
+title = "Første innlegg"
+summary = "Et enkelt blogginnlegg som viser datouttrekk og metadata"

app/default/content/blog/2025-01-15-first-post/post.md

@@ -0,0 +1,5 @@
+# First Post
+
+This is a blog post. The date `2025-01-15` is extracted from the folder name for sorting and display.
+
+You can set a custom URL slug in `metadata.ini` to shorten the URL.

app/default/content/blog/2025-01-15-first-post/post.no.md

@@ -0,0 +1,5 @@
+# Første innlegg
+
+Dette er et blogginnlegg. Datoen `2025-01-15` hentes fra mappenavnet for sortering og visning.
+
+Du kan sette en egendefinert URL-slug i `metadata.ini` for å forkorte URL-en.

app/default/content/blog/2025-02-01-second-post/10-intro.md

@@ -0,0 +1,3 @@
+# Second Post
+
+This post combines multiple content files into a single page. This section is Markdown.

app/default/content/blog/2025-02-01-second-post/10-intro.no.md

@@ -0,0 +1,3 @@
+# Andre innlegg
+
+Dette innlegget kombinerer flere innholdsfiler til en enkelt side. Denne delen er Markdown.

app/default/content/blog/2025-02-01-second-post/20-details.html

@@ -0,0 +1,5 @@
+<section>
+	<h2>HTML Section</h2>
+	<p>This section is plain HTML, rendered after the Markdown above. Number prefixes (<code>10-</code>, <code>20-</code>) control the order.</p>
+	<p>You can mix <code>.md</code>, <code>.html</code>, and <code>.php</code> files freely within a single page.</p>
+</section>

app/default/content/blog/2025-02-01-second-post/20-details.no.html

@@ -0,0 +1,5 @@
+<section>
+	<h2>HTML-seksjon</h2>
+	<p>Denne delen er ren HTML, vist etter Markdown-en over. Nummerprefiks (<code>10-</code>, <code>20-</code>) styrer rekkefølgen.</p>
+	<p>Du kan blande <code>.md</code>-, <code>.html</code>- og <code>.php</code>-filer fritt på en enkelt side.</p>
+</section>

app/default/content/blog/2025-02-01-second-post/30-dynamic.no.php

@@ -0,0 +1,18 @@
+<section>
+	<h2>PHP-seksjon</h2>
+	<p>Denne delen er dynamisk PHP, vist etter HTML-en over.</p>
+
+	<table>
+		<thead>
+			<tr><th>Egenskap</th><th>Verdi</th></tr>
+		</thead>
+		<tbody>
+			<tr><td>Servertid</td><td><?= date('H:i:s') ?></td></tr>
+			<tr><td>PHP-versjon</td><td><?= PHP_VERSION ?></td></tr>
+			<tr><td>Side generert på</td><td><?= number_format((microtime(true) - $_SERVER['REQUEST_TIME_FLOAT']) * 1000, 1) ?>ms</td></tr>
+			<tr><td>Operativsystem</td><td><?= PHP_OS ?></td></tr>
+		</tbody>
+	</table>
+
+	<p>Oppdater siden for å se klokken endre seg. Dette er serverside-output — ingen JavaScript involvert.</p>
+</section>

app/default/content/blog/2025-02-01-second-post/30-dynamic.php

@@ -0,0 +1,18 @@
+<section>
+	<h2>PHP Section</h2>
+	<p>This section is dynamic PHP, rendered after the HTML above.</p>
+
+	<table>
+		<thead>
+			<tr><th>Property</th><th>Value</th></tr>
+		</thead>
+		<tbody>
+			<tr><td>Server time</td><td><?= date('H:i:s') ?></td></tr>
+			<tr><td>PHP version</td><td><?= PHP_VERSION ?></td></tr>
+			<tr><td>Page generated in</td><td><?= number_format((microtime(true) - $_SERVER['REQUEST_TIME_FLOAT']) * 1000, 1) ?>ms</td></tr>
+			<tr><td>Operating system</td><td><?= PHP_OS ?></td></tr>
+		</tbody>
+	</table>
+
+	<p>Refresh the page to see the time update. This is live server-side output — no JavaScript involved.</p>
+</section>

app/default/content/blog/2025-02-01-second-post/metadata.ini

@@ -0,0 +1,6 @@
+title = "Second Post"
+summary = "A post demonstrating mixed content formats"
+
+[no]
+title = "Andre innlegg"
+summary = "Et innlegg som viser blandede innholdsformater"

app/default/content/blog/metadata.ini

@@ -0,0 +1,8 @@
+title = "Blog"
+summary = "Example blog with list view"
+menu = 1
+menu_order = 10
+
+[no]
+title = "Blogg"
+summary = "Eksempelblogg med listevisning"